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Ceridian HCM Holding Inc. – ‘10-Q’ for 6/30/23 – ‘EX-101.LAB’

On:  Wednesday, 8/2/23, at 4:18pm ET   ·   For:  6/30/23   ·   Accession #:  950170-23-37196   ·   File #:  1-38467

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  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 8/02/23  Ceridian HCM Holding Inc.         10-Q        6/30/23   92:18M                                    Donnelley … Solutions/FA

Quarterly Report   —   Form 10-Q

Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-Q        Quarterly Report                                    HTML   4.57M 
 2: EX-10.1     Material Contract                                   HTML    304K 
 3: EX-10.2     Material Contract                                   HTML     30K 
 4: EX-10.3     Material Contract                                   HTML   3.07M 
 5: EX-31.1     Certification -- §302 - SOA'02                      HTML     31K 
 6: EX-31.2     Certification -- §302 - SOA'02                      HTML     31K 
 7: EX-31.3     Certification -- §302 - SOA'02                      HTML     31K 
 8: EX-32.1     Certification -- §906 - SOA'02                      HTML     28K 
 9: EX-32.2     Certification -- §906 - SOA'02                      HTML     28K 
10: EX-32.3     Certification -- §906 - SOA'02                      HTML     28K 
16: R1          Document and Entity Information                     HTML     78K 
17: R2          Condensed Consolidated Balance Sheets               HTML    139K 
18: R3          Condensed Consolidated Balance Sheets               HTML     35K 
                (Parenthetical)                                                  
19: R4          Condensed Consolidated Statements of Operations     HTML    112K 
20: R5          Condensed Consolidated Statements of Comprehensive  HTML     69K 
                Income (Loss)                                                    
21: R6          Condensed Consolidated Statements of Comprehensive  HTML     27K 
                Income (Loss) (Parenthetical)                                    
22: R7          Condensed Consolidated Statements of Stockholders'  HTML    110K 
                Equity                                                           
23: R8          Condensed Consolidated Statements of Stockholders'  HTML     31K 
                Equity (Parenthetical)                                           
24: R9          Condensed Consolidated Statements of Cash Flows     HTML    126K 
25: R10         Pay vs Performance Disclosure                       HTML     38K 
26: R11         Insider Trading Arrangements                        HTML     47K 
27: R12         Organization                                        HTML     30K 
28: R13         Summary of Significant Accounting Policies          HTML     46K 
29: R14         Fair Value Measurements                             HTML    155K 
30: R15         Customer Funds                                      HTML    372K 
31: R16         Leases                                              HTML    150K 
32: R17         Goodwill and Intangible Assets                      HTML    120K 
33: R18         Debt                                                HTML    171K 
34: R19         Employee Benefit Plans                              HTML    113K 
35: R20         Share-Based Compensation                            HTML    192K 
36: R21         Revenue                                             HTML    139K 
37: R22         Accumulated Other Comprehensive Loss                HTML     83K 
38: R23         Income Taxes                                        HTML     39K 
39: R24         Commitments and Contingencies                       HTML     32K 
40: R25         Net Income (Loss) per Share                         HTML    139K 
41: R26         Summary of Significant Accounting Policies          HTML     49K 
                (Policies)                                                       
42: R27         Fair Value Measurements (Tables)                    HTML    149K 
43: R28         Customer Funds (Tables)                             HTML    364K 
44: R29         Leases (Tables)                                     HTML    151K 
45: R30         Goodwill and Intangible Assets (Tables)             HTML    118K 
46: R31         Debt (Tables)                                       HTML    146K 
47: R32         Employee Benefit Plans (Tables)                     HTML    109K 
48: R33         Share-Based Compensation (Tables)                   HTML    177K 
49: R34         Revenue (Tables)                                    HTML    129K 
50: R35         Accumulated Other Comprehensive Loss (Tables)       HTML     82K 
51: R36         Net Income (Loss) per Share (Tables)                HTML    137K 
52: R37         Organization - Additional Information (Detail)      HTML     27K 
53: R38         Summary of Significant Accounting Policies -        HTML     32K 
                Additional Information (Detail)                                  
54: R39         Fair Value Measurements - Asset and Liability       HTML     43K 
                Measured at Fair Value Measured on Recurring Basis               
                (Detail)                                                         
55: R40         Fair Value Measurements - Additional Information    HTML     28K 
                (Details)                                                        
56: R41         Customer Funds - Additional Information (Detail)    HTML     40K 
57: R42         Customer Funds - Investment of Customer Funds       HTML     75K 
                (Detail)                                                         
58: R43         Customer Funds - Gross Unrealized Losses and        HTML     68K 
                Related Fair Value of Investment (Detail)                        
59: R44         Customer Funds - Amortized Cost and Fair Value of   HTML     46K 
                Investment Security Available for Sale (Detail)                  
60: R45         Leases - Supplemental Balance Sheet Information     HTML     54K 
                Related to Leases (Detail)                                       
61: R46         Leases - Components of Lease Expense (Detail)       HTML     38K 
62: R47         Goodwill and Intangible Assets - Schedule of        HTML     31K 
                Changes in Goodwill (Detail)                                     
63: R48         Goodwill and Intangible Assets - Schedule of        HTML     65K 
                Intangible Asset (Detail)                                        
64: R49         Goodwill and Intangible Assets - Additional         HTML     36K 
                Information (Detail)                                             
65: R50         Debt - Schedule of Debt Obligations (Detail)        HTML     54K 
66: R51         Debt - Schedule of Debt Obligations                 HTML     51K 
                (Parenthetical) (Detail)                                         
67: R52         Debt - Additional Information (Detail)              HTML     98K 
68: R53         Debt - Schedule of Convertible Senior Notes         HTML     38K 
                (Detail)                                                         
69: R54         Debt - Schedule of Convertible Senior Notes         HTML     36K 
                (Parenthetical) (Detail)                                         
70: R55         Debt - Summary of Interest Expense Recognized       HTML     43K 
                Related to Convertible Senior Notes (Detail)                     
71: R56         Debt - Schedule of Future Principal Payments and    HTML     39K 
                Maturities of Indebtedness, Excluding Financing                  
                Lease Obligations (Detail)                                       
72: R57         Employee Benefit Plans - Components of Net          HTML     45K 
                Periodic Cost for Defined Benefit Pension Plan and               
                for Postretirement Benefit Plan (Detail)                         
73: R58         Share-Based Compensation - Additional Information   HTML     84K 
                (Detail)                                                         
74: R59         Share-Based Compensation - Summary of               HTML     59K 
                Performance-Based Stock Option Activity (Detail)                 
75: R60         Share-Based Compensation - Summary of Performance   HTML     40K 
                Stock Units (Detail)                                             
76: R61         Share-Based Compensation - Summary of Restricted    HTML     40K 
                Stock Units Activity (Detail)                                    
77: R62         Share-Based Compensation - Summary of Term-Based    HTML     64K 
                Stock Option Activity (Detail)                                   
78: R63         Share-Based Compensation - Summary of Global        HTML     41K 
                Employee Stock Purchase Plan Activity (Detail)                   
79: R64         Revenue - Summary of Disaggregation of Revenue      HTML     47K 
                (Detail)                                                         
80: R65         Revenue - Additional Information (Detail)           HTML     35K 
81: R66         Revenue - Schedule of Changes in Deferred Revenue   HTML     34K 
                (Detail)                                                         
82: R67         Revenue - Additional Information 1 (Detail)         HTML     31K 
83: R68         Accumulated Other Comprehensive Loss - Components   HTML     56K 
                of Accumulated Other Comprehensive Loss (Detail)                 
84: R69         Income Taxes - Additional Information (Detail)      HTML     52K 
85: R70         Net Income (Loss) per Share - Schedule of           HTML     61K 
                Computations of Net Income (Loss) per Basic and                  
                Diluted Share (Detail)                                           
86: R71         Net Income (Loss) per Share - Schedule of           HTML     36K 
                Potentially Dilutive Weighted Average Shares                     
                Excluded from Calculation of Net Loss per Diluted                
                Share (Detail)                                                   
87: R72         Net Income (Loss) per Share - Additional            HTML     33K 
                Information (Detail)                                             
90: XML         IDEA XML File -- Filing Summary                      XML    164K 
88: XML         XBRL Instance -- cday-20230630_htm                   XML   3.67M 
89: EXCEL       IDEA Workbook of Financial Report Info              XLSX    138K 
15: EX-101.CAL  XBRL Calculations -- cday-20230630_cal               XML    226K 
12: EX-101.DEF  XBRL Definitions -- cday-20230630_def                XML    741K 
11: EX-101.LAB  XBRL Labels -- cday-20230630_lab                     XML   1.43M 
14: EX-101.PRE  XBRL Presentations -- cday-20230630_pre              XML   1.08M 
13: EX-101.SCH  XBRL Schema -- cday-20230630                         XSD    203K 
91: JSON        XBRL Instance as JSON Data -- MetaLinks              580±   889K 
92: ZIP         XBRL Zipped Folder -- 0000950170-23-037196-xbrl      Zip    480K

‘EX-101.LAB’   —   XBRL Labels — cday-20230630_lab

This Exhibit is an XBRL File.

                                                                                                                                                                                
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<link:loc xlink:type="locator" xlink:href="cday-20230630.xsd#cday_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughThreeYearsAmortizedCost" xlink:label="cday_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughThreeYearsAmortizedCost"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InterestExpenseDebtExcludingAmortization" xlink:label="us-gaap_InterestExpenseDebtExcludingAmortization"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DisaggregationOfRevenueLineItems" xlink:label="us-gaap_DisaggregationOfRevenueLineItems"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeTaxAuthorityAxis" xlink:label="us-gaap_IncomeTaxAuthorityAxis"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="us-gaap_FairValueDisclosuresAbstract"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ForeignLineOfCreditMember" xlink:label="us-gaap_ForeignLineOfCreditMember"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefit"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
<link:loc xlink:type="locator" xlink:href="cday-20230630.xsd#cday_IntangibleAssetsAccumulatedAmortization" xlink:label="cday_IntangibleAssetsAccumulatedAmortization"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseInterestExpense" xlink:label="us-gaap_FinanceLeaseInterestExpense"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrent" xlink:label="us-gaap_EmployeeRelatedLiabilitiesCurrent"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="us-gaap_BusinessAcquisitionAxis"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredRevenueCurrent" xlink:label="us-gaap_DeferredRevenueCurrent"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities" xlink:label="us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="us-gaap_IncomeTaxDisclosureAbstract"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_MarketableSecuritiesTextBlock" xlink:label="us-gaap_MarketableSecuritiesTextBlock"/>
<link:loc xlink:type="locator" xlink:href="cday-20230630.xsd#cday_CloudFloatRecurringServicesMember" xlink:label="cday_CloudFloatRecurringServicesMember"/>
<link:loc xlink:type="locator" xlink:href="cday-20230630.xsd#cday_FinancingLeaseCostAbstract" xlink:label="cday_FinancingLeaseCostAbstract"/>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CostOfGoodsAndServicesSoldDepreciationAndAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Cost, Depreciation and Amortization </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CostOfGoodsAndServicesSoldDepreciationAndAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Depreciation and amortization </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CostOfGoodsAndServicesSoldDepreciationAndAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Cost, Depreciation and Amortization, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInInterestPayableNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Increase (Decrease) in Interest Payable, Net </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInInterestPayableNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accrued interest </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ArrangementsAndNonarrangementTransactionsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Collaborative Arrangement and Arrangement Other than Collaborative [Domain] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ArrangementsAndNonarrangementTransactionsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Collaborative Arrangement and Arrangement Other than Collaborative </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentTransitionReport_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Document Transition Report </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentTransitionReport_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Document Transition Report </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Weighted Average Remaining Contractual Term (in years) </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueRemainingPerformanceObligation_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Revenue, Remaining Performance Obligation, Amount </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueRemainingPerformanceObligation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Revenue expected to be recognized, amount </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_CustomerFundsObligations_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Customer funds obligations. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_CustomerFundsObligations_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Customer Funds Obligations </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_CustomerFundsObligations_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Customer funds obligations </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_StatementGeographicalAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Geographical [Axis] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_StatementGeographicalAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Geographical </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Restricted stock vesting period </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CostOfRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Cost of Revenue </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CostOfRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total cost of revenue </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Debt Securities, Available-for-sale, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt Securities, Available-for-Sale </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Fair value </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Available for sale customer funds assets </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_OperatingAndFinanceLeaseLiabilityCurrentAndNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Operating and finance lease liability current and noncurrent. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_OperatingAndFinanceLeaseLiabilityCurrentAndNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Operating And Finance Lease Liability Current And Noncurrent </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_OperatingAndFinanceLeaseLiabilityCurrentAndNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total lease liabilities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherLiabilitiesNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Other Liabilities, Noncurrent </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherLiabilitiesNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Other liabilities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherLiabilitiesNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Other Liabilities, Noncurrent, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Increase (Decrease) in Prepaid Expense and Other Assets </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Prepaid expenses and other current assets </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Increase (Decrease) in Prepaid Expense and Other Assets, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedStockUnitsRSUMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Restricted Stock Units (RSUs) [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedStockUnitsRSUMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Restricted Stock Units (RSUs) [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedStockUnitsRSUMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Restricted Stock Units [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MortgageBackedSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Collateralized Mortgage-Backed Securities [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MortgageBackedSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Mortgage-backed Securities [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel1Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Fair Value, Inputs, Level 1 [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel1Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Fair Value, Inputs, Level 1 [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Increase (Decrease) in Other Operating Assets and Liabilities, Net </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Other assets and liabilities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Increase (Decrease) in Other Operating Assets and Liabilities, Net, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingContractualTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingContractualTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Contractual Term </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingContractualTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Stock option awards, contractual term </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ContractWithCustomerLiabilityEffectOfExchangeRate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Contract with customer liability effect of exchange rate. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ContractWithCustomerLiabilityEffectOfExchangeRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Contract With Customer Liability Effect Of Exchange Rate </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ContractWithCustomerLiabilityEffectOfExchangeRate_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Effect of exchange rate </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ContractWithCustomerLiabilityEffectOfExchangeRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Effect of exchange rate </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueDisclosuresTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Fair Value Disclosures [Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueDisclosuresTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Fair Value Measurements </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Revenue from Contract with Customer, Excluding Assessed Tax </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Total revenue </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Revenue from Contract with Customer, Excluding Assessed Tax, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Share-based compensation expense related to unvested restricted stock units not yet recognized </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_OperatingAndFinanceLeaseRightOfUseAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Operating and finance lease right of use asset. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_OperatingAndFinanceLeaseRightOfUseAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Operating And Finance Lease Right Of Use Asset </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_OperatingAndFinanceLeaseRightOfUseAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total lease assets </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisaggregationOfRevenueTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Disaggregation of Revenue [Table Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisaggregationOfRevenueTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Summary of Disaggregation of Revenue </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Payments to Acquire Businesses, Net of Cash Acquired </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Acquisition costs, net of cash and restricted cash acquired </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Payments to Acquire Businesses, Net of Cash Acquired, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermDebtTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Short-Term Debt, Type [Axis] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermDebtTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Short-term Debt, Type </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ConvertibleSeniorNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Convertible senior notes. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ConvertibleSeniorNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Convertible Senior Notes [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ConvertibleSeniorNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Convertible Senior Notes [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_SignificantAccountingPoliciesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Significant accounting policies. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_SignificantAccountingPoliciesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Significant Accounting Policies [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_SignificantAccountingPoliciesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Significant Accounting Policies [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule of Business Acquisitions, by Acquisition [Table] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule Of Business Acquisitions By Acquisition [Table] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Adjustments to Additional Paid in Capital, Equity Component of Convertible Debt </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Equity component of convertible senior notes </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule of Major Classes of Assets and Liabilities Allocated to Purchase Price </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Less than 12 months, Fair Value </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GoodwillAcquiredDuringPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Goodwill, Acquired During Period </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GoodwillAcquiredDuringPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Acquisition </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiabilityNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Operating Lease, Liability, Noncurrent </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiabilityNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Long-term lease liabilities, less current portion </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiabilityNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Operating lease liability noncurrent </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ContractWithCustomerLiabilityNewBillings_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Contract with customer liability new billings. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ContractWithCustomerLiabilityNewBillings_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Contract With Customer Liability New Billings </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ContractWithCustomerLiabilityNewBillings_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> New billings </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt Securities, Available-for-Sale [Table] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Restricted Stock Units </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Performance Stock Units </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Defined Benefit Plan, Expected Return (Loss) on Plan Assets </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Less: Expected return on plan assets </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Liabilities, Fair Value Disclosure </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Total liabilities measured at fair value </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Liabilities, Fair Value Disclosure, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsFairValueDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Assets, Fair Value Disclosure [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsFairValueDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Assets </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseLiabilityNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Finance Lease, Liability, Noncurrent </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseLiabilityNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Finance lease liability Noncurrent </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentUnamortizedDiscount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Less unamortized discount on Term Debt </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentUnamortizedDiscount_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt Instrument, Unamortized Discount </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentUnamortizedDiscount_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Debt Instrument, Unamortized Discount, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Change in unrealized gain, tax </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment, Tax </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Change in unrealized (loss) gain, tax </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment, Tax, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BalanceSheetLocationAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Balance Sheet Location [Axis] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BalanceSheetLocationAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Balance Sheet Location </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Assets, Current </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total current assets </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_VestingDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Vesting [Domain] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_VestingDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Vesting </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total liabilities and stockholders' equity </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Liabilities and Equity </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressStateOrProvince_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Address, State or Province </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressStateOrProvince_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Address State Or Province </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Share Based Compensation Arrangement By Share Based Payment Award Options Aggregate Intrinsic Value [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share Based Compensation Arrangement By Share Based Payment Award Options Aggregate Intrinsic Value [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Aggregate Intrinsic Value </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_InvestmentsDebtAndEquitySecuritiesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Investments Debt And Equity Securities [Table] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_InvestmentsDebtAndEquitySecuritiesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Investments debt and equity securities. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndReleasedInPeriod_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Shares, Vested and released </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndReleasedInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested and Released in Period </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndReleasedInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested and Released in Period. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_IndefiniteLivedIntangibleAssetsExcludingGoodwillAccumulatedAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Indefinite lived intangible assets excluding goodwill accumulated amortization. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_IndefiniteLivedIntangibleAssetsExcludingGoodwillAccumulatedAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Indefinite Lived Intangible Assets Excluding Goodwill Accumulated Amortization </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_IndefiniteLivedIntangibleAssetsExcludingGoodwillAccumulatedAmortization_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Accumulated Amortization </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_DebtInstrumentPercentageOfQuarterlyInstallmentPrincipalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Debt instrument percentage of quarterly installment principal amount. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_DebtInstrumentPercentageOfQuarterlyInstallmentPrincipalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt Instrument Percentage Of Quarterly Installment Principal Amount </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_DebtInstrumentPercentageOfQuarterlyInstallmentPrincipalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Debt instrument percentage of quarterly installment principal amount </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Options Outstanding at End of Period </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Options Outstanding at Beginning of Period </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Common shares outstanding </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_InvestedCustomerFundsFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Invested customer funds fair value. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_InvestedCustomerFundsFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Invested Customer Funds Fair Value </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_InvestedCustomerFundsFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Invested customer funds, Fair Value </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_InvestedCustomerFundsFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Invested customer funds, Fair Value </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_TradingSymbol_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Trading Symbol </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_TradingSymbol_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Trading Symbol </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Common Stock, Shares, Issued </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Common Stock, shares issued </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Common Stock, Shares, Issued, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt Securities, Available-for-Sale [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Debt Securities, Available-for-sale [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> 2025 </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Long-Term Debt, Maturity, Year Two </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestIncomeAndInterestExpenseDisclosureTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Summary of Interest Expense Recognized Related to Convertible Senior Notes </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestIncomeAndInterestExpenseDisclosureTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Interest Income and Interest Expense Disclosure [Table Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedReleasableNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Share based compensation arrangement by share based payment award equity instruments other than options nonvested releasable number. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedReleasableNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Releasable Number </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedReleasableNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Shares, releasable at End of Period </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedReleasableNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Vested and releasable </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrepaidExpenseAndOtherAssetsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Prepaid Expense and Other Assets, Current </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrepaidExpenseAndOtherAssetsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Prepaid expenses and other current assets </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_AtiRowLlcAndAdamHcmMexicoSDeRLDeCVMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> ATI ROW, LLC and ADAM HCM MEXICO, S. de R.L. de C.V. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_AtiRowLlcAndAdamHcmMexicoSDeRLDeCVMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> ATI ROW, LLC and ADAM HCM MEXICO, S. de R.L. de C.V. [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_AtiRowLlcAndAdamHcmMexicoSDeRLDeCVMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> ADAM HCM [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule of Long-Term Debt Instruments [Table] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Debt Instrument [Table] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Shares, Outstanding </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Balance, shares </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Balance, shares </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Line of Credit Facility, Remaining Borrowing Capacity </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Available capacity </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Available capacity for letters of credit </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> AOCI Attributable to Parent [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accumulated Other Comprehensive Loss [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Accumulated Other Comprehensive Income (Loss) [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Other Comprehensive Income (Loss), Net of Tax </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Other comprehensive (loss) income after income taxes </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Accumulated Other Comprehensive Income (Loss) [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accumulated Other Comprehensive Income (Loss) [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressCityOrTown_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Address, City or Town </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressCityOrTown_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Address City Or Town </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_RestrictedCashAndCashEquivalentsAtCarryingValueIncludingDiscontinuedOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Restricted cash and cash equivalents at carrying value including discontinued operations. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_RestrictedCashAndCashEquivalentsAtCarryingValueIncludingDiscontinuedOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Restricted Cash And Cash Equivalents At Carrying Value Including Discontinued Operations </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_RestrictedCashAndCashEquivalentsAtCarryingValueIncludingDiscontinuedOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Restricted cash and equivalents included in customer funds </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> 2023 </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Long-Term Debt, Maturity, Remainder of Fiscal Year </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentConvertibleNumberOfEquityInstruments_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt Instrument, Convertible, Number of Equity Instruments </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentConvertibleNumberOfEquityInstruments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Convertible senior notes would have been convertible into shares of our common stock </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_TwoThousandTwentyTwoManagementIncentivePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Two thousand twenty two management incentive plan. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_TwoThousandTwentyTwoManagementIncentivePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Two Thousand Twenty Two Management Incentive Plan [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_TwoThousandTwentyTwoManagementIncentivePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> 2022 Management Incentive Plan [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExaminationDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Income Tax Examination, Description </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExaminationDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Income tax examination description </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt Disclosure [Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Debt </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationPerformanceSharesAwardUnvestedActivityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Payment Arrangement, Performance Shares, Activity [Table Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationPerformanceSharesAwardUnvestedActivityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Summary of Performance-Based Stock Option Activity </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentDateOfFirstRequiredPayment1_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt Instrument, Date of First Required Payment </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentDateOfFirstRequiredPayment1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Debt instrument payment beginning date </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_CloudRecurringMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Cloud Recurring [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_CloudRecurringMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Cloud Recurring [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_CloudRecurringMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Cloud recurring. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationAwardTrancheTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Payment Arrangement, Tranche Two [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationAwardTrancheTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Closing Price Per Share Exceeds $130.52 or 2.0 Times the Exercise Price [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationAwardTrancheTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Share Based Compensation Award Tranche Two [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Weighted Average Exercise Price, Forfeited or expired </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapitalMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Additional Paid-in Capital [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapitalMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Additional Paid In Capital [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfOperatingLeasedAssetsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule of Operating Leased Assets [Table] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfOperatingLeasedAssetsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule Of Operating Leased Assets [Table] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesCurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Liabilities, Current [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesCurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Current liabilities: </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_USGovernmentCorporationsAndAgenciesSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> US Government Corporations and Agencies Securities [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_USGovernmentCorporationsAndAgenciesSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> U.S. Government and Agencies Securities [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> 12 months or more, Fair Value </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsCurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Assets, Current [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsCurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Current assets: </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementOfStockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Statement of Stockholders' Equity [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ShareBasedCompensationArrangementByShareBasedPaymentAwardVestingDate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Share-based compensation arrangement by share-based payment award, vesting date. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ShareBasedCompensationArrangementByShareBasedPaymentAwardVestingDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-based Compensation Arrangement by Share-based Payment Award, Vesting Date </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ShareBasedCompensationArrangementByShareBasedPaymentAwardVestingDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Vesting date </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiabilityCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Operating Lease, Liability, Current </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiabilityCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Current portion of long-term lease liabilities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiabilityCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Operating lease liability current </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentMaturityDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Term loan debt maturity period </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentMaturityDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt instrument maturity date </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Long-Term Debt </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Net carrying amount </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Long-term Debt, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Increase in long-term debt </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Property, Plant and Equipment, Net </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Property, plant, and equipment, net </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Property, Plant and Equipment, Net, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Property, Plant and Equipment, Net, Beginning Balance </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Property, Plant and Equipment, Net, Ending Balance </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansTableTextBlockLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansTableTextBlockLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Defined Benefit Plans And Other Postretirement Benefit Plans Table Text Block [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ProfessionalServicesAndOtherMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Professional Services and Other [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ProfessionalServicesAndOtherMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Professional Services And Other [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ProfessionalServicesAndOtherMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Professional services and other. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, Year One </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Due in one year or less, Cost </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProvisionForDoubtfulAccounts_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Accounts Receivable, Credit Loss Expense (Reversal) </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProvisionForDoubtfulAccounts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Provision for doubtful accounts </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Statement of Comprehensive Income [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_OrganizationConsolidationAndPresentationOfFinancialStatementsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Organization Consolidation And Presentation Of Financial Statements [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_OrganizationConsolidationAndPresentationOfFinancialStatementsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Organization Consolidation And Presentation Of Financial Statements [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_OrganizationConsolidationAndPresentationOfFinancialStatementsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Organization consolidation and presentation of financial statements. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TypeOfArrangementAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Collaborative Arrangement and Arrangement Other than Collaborative [Axis] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TypeOfArrangementAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Collaborative Arrangement and Arrangement Other than Collaborative </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_RecurringRevenueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Recurring [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_RecurringRevenueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Recurring Revenue [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_RecurringRevenueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Recurring Revenue [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_RecurringRevenueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Recurring revenue. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCentralIndexKey_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Central Index Key </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCentralIndexKey_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Central Index Key </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseLiabilityCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Finance Lease, Liability, Current </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseLiabilityCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Finance lease liability current </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PlanNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Plan Name [Domain] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PlanNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Plan Name </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateAdopted_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Change in Accounting Principle, Accounting Standards Update, Adopted [true false] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateAdopted_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Change in Accounting Principle, Accounting Standards Update, Adopted [true false] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ShareBasedCompensationByShareBasedPaymentAwardPercentageOfOfFairMarketValueOfAShareOfCommonStockOnOfferingDate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Share based compensation by share based payment award percentage of fair market value of a share of common stock on offering date. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ShareBasedCompensationByShareBasedPaymentAwardPercentageOfOfFairMarketValueOfAShareOfCommonStockOnOfferingDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share Based Compensation By Share Based Payment Award Percentage Of Of Fair Market Value Of A Share Of Common Stock On Offering Date </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ShareBasedCompensationByShareBasedPaymentAwardPercentageOfOfFairMarketValueOfAShareOfCommonStockOnOfferingDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Percentage of fair market value of a share of common stock on offering date </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="country_CA_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> CANADA </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="country_CA_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Canada [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Assets, Fair Value Disclosure </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Total assets measured at fair value </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Assets, Fair Value Disclosure, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_LesseeOperatingAndFinanceLeasesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Lessee, operating and finance leases disclosure. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_LesseeOperatingAndFinanceLeasesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Lessee Operating And Finance Leases Disclosure [Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_LesseeOperatingAndFinanceLeasesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Leases </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Remaining performance obligations recognition period </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_CanadianAndProvincialGovernmentSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Canadian and provincial government securities. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_CanadianAndProvincialGovernmentSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Canadian And Provincial Government Securities [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_CanadianAndProvincialGovernmentSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Canadian and Provincial Government Securities [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfGoodwillTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule of Goodwill [Table Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfGoodwillTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule of Changes in Goodwill </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Liabilities, Current </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total current liabilities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityTaxIdentificationNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Tax Identification Number </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityTaxIdentificationNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Tax Identification Number </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Income (loss) before income taxes </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_InvestedCustomerFundsAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Invested customer funds amortized cost. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_InvestedCustomerFundsAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Invested Customer Funds Amortized Cost </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_InvestedCustomerFundsAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Invested customer funds, Amortized Cost </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_InvestedCustomerFundsAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Invested customer funds, Cost </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Table] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Changes in operating assets and liabilities: </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Increase (Decrease) in Operating Capital [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_CappedCallInitialCapPrice_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Capped call initial cap price. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_CappedCallInitialCapPrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Capped call initial cap price </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Financial Instruments [Domain] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Financial Instruments </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Additional Disclosures [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Weighted Average Remaining Contractual Term (in years) </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Unrealized Gain (Loss) from Invested Customer Funds [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsTax_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Income tax expense </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Other Comprehensive Income (Loss) before Reclassifications, Tax </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Other Comprehensive Income (Loss) before Reclassifications, Tax, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PlanNameAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Plan Name [Axis] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PlanNameAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Plan Name </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtConversionOriginalDebtAmount1_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt Conversion, Original Debt, Amount </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtConversionOriginalDebtAmount1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Initial conversion per principal amount </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_SegmentGeographicalDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Geographical [Domain] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_SegmentGeographicalDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Geographical </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_AdjustmentsToAdditionalPaidInCapitalCappedCalls_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Adjustments to additional paid in capital, capped calls. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_AdjustmentsToAdditionalPaidInCapitalCappedCalls_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Adjustments To Additional Paid In Capital Capped Calls </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_AdjustmentsToAdditionalPaidInCapitalCappedCalls_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Reduction to additional paid-in capital </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_InvestmentIncomeFromInvestedCustomerFund_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Investment income from invested customer fund. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_InvestmentIncomeFromInvestedCustomerFund_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Investment Income From Invested Customer Fund </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_InvestmentIncomeFromInvestedCustomerFund_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Investment income from invested customer funds included in recurring revenue </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Assets_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Assets </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Assets_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total assets </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_CostOfRecurringServices_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Cost of recurring services. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_CostOfRecurringServices_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Cost Of Recurring Services </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_CostOfRecurringServices_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Recurring </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseRightOfUseAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Right of use lease assets, net </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseRightOfUseAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Operating Lease, Right-of-Use Asset </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Share-based compensation expense related to unvested stock option awards not yet recognized </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_CeridianTradeNameMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Ceridian trade name. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_CeridianTradeNameMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Ceridian Trade Name [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_CeridianTradeNameMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> CeridianTradeNameMember </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityRegistrantName_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Registrant Name </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityRegistrantName_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Registrant Name </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetBackedSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Asset-Backed Securities [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetBackedSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Asset-backed Securities [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredFinanceCostsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Debt Issuance Costs, Net, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredFinanceCostsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Allocated issuance costs </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredFinanceCostsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt issuance costs net </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_TermDebtAndConvertibleSeniorNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Term debt and convertible senior notes. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_TermDebtAndConvertibleSeniorNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Term Debt And Convertible Senior Notes [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_TermDebtAndConvertibleSeniorNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Term Debt and Convertible Senior Notes [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Retained Earnings (Accumulated Deficit) </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accumulated deficit </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Retained Earnings (Accumulated Deficit), Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Retained Earnings (Accumulated Deficit), Beginning Balance </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Retained Earnings (Accumulated Deficit), Ending Balance </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Decrease to accumulated deficit </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Less than 12 months, Unrealized Losses </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_CloudPowerpayFloatRecurringServicesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Cloud Powerpay Float Recurring [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_CloudPowerpayFloatRecurringServicesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Cloud Powerpay Float Recurring Services [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_CloudPowerpayFloatRecurringServicesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Cloud powerpay float recurring services. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PensionExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Pension Cost (Reversal of Cost) </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PensionExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Pension liability adjustment </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Retained Earnings [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accumulated Deficit [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Shares, outstanding at End of Period </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Shares, outstanding at Beginning of Period </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Unvested restricted stock units outstanding </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_CloudDayforceFloatRecurringServicesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Cloud Dayforce Float Recurring [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_CloudDayforceFloatRecurringServicesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Cloud Dayforce Float Recurring Services [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_CloudDayforceFloatRecurringServicesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Cloud dayforce float recurring services. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MinimumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Minimum [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MinimumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Minimum [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ScheduleOfFiniteAndIndefiniteLivedIntangibleAssetsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule of Other Intangible Assets </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ScheduleOfFiniteAndIndefiniteLivedIntangibleAssetsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Schedule of finite and indefinite lived intangible assets. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ScheduleOfFiniteAndIndefiniteLivedIntangibleAssetsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule Of Finite And Indefinite Lived Intangible Assets Table [Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Investments Classified by Contractual Maturity Date [Table Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule of Amortized Cost and Fair Value of Investment Securities Available for Sale by Contractual Maturity </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SignificantAccountingPoliciesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Significant Accounting Policies [Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SignificantAccountingPoliciesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Summary of Significant Accounting Policies </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="country_AU_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> AUSTRALIA </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="country_AU_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Australia [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesFairValueDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Liabilities, Fair Value Disclosure [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesFairValueDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Liabilities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Finance Lease, Liability </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Total debt excluding financing lease liabilities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Finance Lease, Liability, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Financing lease liabilities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_LesseeSupplementalBalanceSheetInformationRelatedToLeasesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Lessee, supplemental balance sheet information related to leases. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_LesseeSupplementalBalanceSheetInformationRelatedToLeasesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Lessee Supplemental Balance Sheet Information Related To Leases Table [Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_LesseeSupplementalBalanceSheetInformationRelatedToLeasesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Supplemental Balance Sheet Information Related to Leases </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationAwardTrancheOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Payment Arrangement, Tranche One [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationAwardTrancheOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Closing Price Per Share Exceeds $110.94 or 1.7 Times the Exercise Price [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationAwardTrancheOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Share Based Compensation Award Tranche One [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityComponentDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Equity Component [Domain] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityComponentDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Equity Component </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeStockOptionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Stock Options [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_FundsHeldForClientsAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Funds held for clients amortized cost. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_FundsHeldForClientsAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Funds Held For Clients Amortized Cost </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_FundsHeldForClientsAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total customer funds, Amortized Cost </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateAdoptionDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Change in Accounting Principle, Accounting Standards Update, Adoption Date </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateAdoptionDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Change in Accounting Principle, Accounting Standards Update, Adoption Date </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNonoperatingIncomeExpenseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Other Nonoperating Income (Expense) [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNonoperatingIncomeExpenseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Other Expense, Net [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfFinancingCostsAndDiscounts_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Amortization of Debt Issuance Costs and Discounts </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfFinancingCostsAndDiscounts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Amortization of debt issuance costs and debt discount </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfFinancingCostsAndDiscounts_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Amortization of Debt Issuance Costs and Discounts, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_StateAndForeignCountryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> State and Foreign Country </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_StateAndForeignCountryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> State And Foreign Country [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_StateAndForeignCountryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> State And Foreign Country </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfLinesOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Repayments of Lines of Credit </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfLinesOfCredit_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Repayment of revolving credit facility </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Adjustments to reconcile net income (loss) to net cash provided by operating activities: </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubleaseIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Sublease Income </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubleaseIncome_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Sublease income </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GoodwillForeignCurrencyTranslationGainLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Foreign currency translation </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GoodwillForeignCurrencyTranslationGainLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Goodwill, Foreign Currency Translation Gain (Loss) </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Weighted Average Exercise Price (per share) </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt Disclosure [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCurrentReportingStatus_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Current Reporting Status </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCurrentReportingStatus_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Current Reporting Status </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Common Stock, Shares Authorized </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Common Stock, shares authorized </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_IncomeTaxExpenseBenefitAttributableToGlobalIntangibleTaxIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Income tax expense benefit attributable to global intangible tax income </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_IncomeTaxExpenseBenefitAttributableToGlobalIntangibleTaxIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Income Tax Expense Benefit Attributable to Global Intangible Tax Income </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_IncomeTaxExpenseBenefitAttributableToGlobalIntangibleTaxIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Tax expense attributable to global intangible low tax income </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseRightOfUseAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Finance Lease, Right-of-Use Asset, after Accumulated Amortization </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseRightOfUseAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Financing lease assets noncurrent </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseRightOfUseAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Finance Lease, Right-of-Use Asset, after Accumulated Amortization, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Assets [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> ASSETS </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountingStandardsUpdateExtensibleList_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Accounting Standards Update [Extensible Enumeration] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountingStandardsUpdateExtensibleList_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accounting Standards Update [Extensible List] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_IndefiniteLivedIntangibleAssetUsefulLife_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Indefinite lived intangible asset useful life. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_IndefiniteLivedIntangibleAssetUsefulLife_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Indefinite Lived Intangible Asset Useful Life </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_IndefiniteLivedIntangibleAssetUsefulLife_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Estimated Life Range (Years) </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Amortization of Intangible Assets </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Amortization expense </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Amortization of Intangible Assets, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Shares available for future grants of equity awards </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ShareBasedCompensationPlansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Share based compensation plans. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ShareBasedCompensationPlansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share Based Compensation Plans [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ShareBasedCompensationPlansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Share Based Compensation Plans [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Common stock, $0.01 par, 500,000,000 shares authorized, 155,006,926 and 153,856,645 shares issued and outstanding, respectively </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Common Stock, Value, Issued </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Common Stock, Value, Issued, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Common Stock, Value, Issued, Beginning Balance </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Common Stock, Value, Issued, Ending Balance </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentConvertibleConversionPrice1_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt Instrument, Convertible, Conversion Price </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentConvertibleConversionPrice1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Initial Conversion Price per Share </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentConvertibleConversionPrice1_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Initial conversion price of notes </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfLongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Repayments of Long-Term Debt </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfLongTermDebt_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Repayment of long-term debt obligations </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfLongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Repayments of Long-term Debt, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNoncashIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Other Noncash Income (Expense) </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNoncashIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Other </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNoncashIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Other Noncash Income (Expense), Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ContractWithCustomerLiabilityRevenueRecognized_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Contract with Customer, Liability, Revenue Recognized </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ContractWithCustomerLiabilityRevenueRecognized_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Revenue recognized </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CurrentFiscalYearEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Current Fiscal Year End Date </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CurrentFiscalYearEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Current Fiscal Year End Date </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Payment Arrangement, Noncash Expense </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Share-based compensation expense </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Share-based Payment Arrangement, Noncash Expense, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Share-based compensation expense </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Operating profit (loss) </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Operating Income (Loss) </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Deferred income tax expense </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Income Tax Expense (Benefit) </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Deferred Income Tax Expense (Benefit), Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Income tax expense </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Income Tax Expense (Benefit) </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Income tax (benefit) expense </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Income Tax Expense (Benefit), Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConvertibleDebtSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Convertible Debt Securities [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConvertibleDebtSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Convertible Senior Notes [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_TermDebtMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Term debt. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_TermDebtMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Term Debt [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_TermDebtMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Term Debt [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_TermDebtMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Term Debt [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Liability, Defined Benefit Plan, Noncurrent </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Employee benefit plans </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Liability, Defined Benefit Plan, Noncurrent, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllocatedShareBasedCompensationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Payment Arrangement, Expense </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllocatedShareBasedCompensationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Share-based compensation expense </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Indefinite-Lived Intangible Assets [Axis] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Indefinite-lived Intangible Assets </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisaggregationOfRevenueTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Disaggregation of Revenue [Table] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisaggregationOfRevenueTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Disaggregation Of Revenue [Table] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Vesting percentage </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_IndefiniteLivedIntangibleAssetUsefulLives_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Indefinite lived intangible asset useful lives. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_IndefiniteLivedIntangibleAssetUsefulLives_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Indefinite Lived Intangible Asset Useful Lives </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_IndefiniteLivedIntangibleAssetUsefulLives_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Estimated Life Range (Years) </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Finite-Lived Intangible Assets, Net </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Net </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Finite-Lived Intangible Assets, Net, Beginning Balance </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Finite-Lived Intangible Assets, Net, Ending Balance </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessDevelopment_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Business Development </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessDevelopment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Product development and management </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromContractWithCustomerTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Revenue from Contract with Customer [Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromContractWithCustomerTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Revenue </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValueIncludingDiscontinuedOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Cash and Cash Equivalents, at Carrying Value, Including Discontinued Operations </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValueIncludingDiscontinuedOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Cash and equivalents </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValueIncludingDiscontinuedOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Cash and Cash Equivalents, at Carrying Value, Including Discontinued Operations, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValueIncludingDiscontinuedOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Cash and Cash Equivalents, at Carrying Value, Including Discontinued Operations, Beginning Balance </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValueIncludingDiscontinuedOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Cash and Cash Equivalents, at Carrying Value, Including Discontinued Operations, Ending Balance </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_RepaymentOfConvertibleDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Repayment of convertible debt. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_RepaymentOfConvertibleDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Repayment Of Convertible Debt </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_RepaymentOfConvertibleDebt_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Purchases of capped calls related to convertible senior notes </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Aggregate Intrinsic Value, Options Outstanding </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Aggregate Intrinsic Value, Options Outstanding </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ShareBasedCompensationArrangementByShareBasedPaymentAwardIncreasePercentageOfCommonStockOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Share based compensation arrangement by share based payment award increase percentage of common stock outstanding. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ShareBasedCompensationArrangementByShareBasedPaymentAwardIncreasePercentageOfCommonStockOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share Based Compensation Arrangement By Share Based Payment Award Increase Percentage Of Common Stock Outstanding </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ShareBasedCompensationArrangementByShareBasedPaymentAwardIncreasePercentageOfCommonStockOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Shares reserved for issuance increase percentage </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentFaceAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt Instrument, Face Amount </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentFaceAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Debt instrument principal amount </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CumulativeEffectPeriodOfAdoptionAdjustmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Cumulative Effect, Period of Adoption, Adjustment [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CumulativeEffectPeriodOfAdoptionAdjustmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Cumulative Effect, Period of Adoption, Adjustment [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNonoperatingIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Other Nonoperating Income (Expense) </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNonoperatingIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Other Nonoperating Income (Expense), Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNonoperatingIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Other expense, net </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageMaximumPayoutThresholdsIncentiveVesting_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Share based compensation arrangement by share based payment award percentage maximum payout thresholds incentive vesting. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageMaximumPayoutThresholdsIncentiveVesting_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share Based Compensation Arrangement By Share Based Payment Award Percentage Maximum Payout Thresholds Incentive Vesting </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageMaximumPayoutThresholdsIncentiveVesting_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Maximum thresholds incentive vesting of PSUs </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Other Comprehensive Income (Loss), Available-for-Sale Securities Adjustment, Net of Tax, Portion Attributable to Parent </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax, Portion Attributable to Parent, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Change in unrealized gain (loss), net of tax </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongtermDebtTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Long-Term Debt, Type [Domain] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongtermDebtTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Long-term Debt, Type </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DepreciationAndAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Depreciation, Depletion and Amortization, Nonproduction </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DepreciationAndAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Depreciation and amortization </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DepreciationAndAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Depreciation, Depletion and Amortization, Nonproduction, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfDeferredCharges_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Amortization of Deferred Charges </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfDeferredCharges_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Amortization expense for the deferred costs </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfDeferredCharges_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Amortization of Deferred Charges, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Commitments and Contingencies Disclosure [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAssetsNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Other Assets, Noncurrent </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAssetsNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Other assets </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAssetsNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Other Assets, Noncurrent, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-Based Payment Arrangement, Amount </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Tax expense attributable to share-based compensation </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Options, Granted </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAccruedLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Other Accrued Liabilities, Current </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAccruedLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Other accrued expenses </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Description </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Description for purchase price of fair market value of common stock </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfShareBasedCompensationEmployeeStockPurchasePlanActivityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule of Share-Based Compensation, Employee Stock Purchase Plan, Activity [Table Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfShareBasedCompensationEmployeeStockPurchasePlanActivityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Summary of Global Employee Stock Purchase Plan Activity </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetirementPlanTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Retirement Plan Type [Domain] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetirementPlanTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Retirement Plan Type </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Additional Paid in Capital </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Additional paid in capital </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Additional Paid in Capital, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Additional Paid in Capital, Beginning Balance </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Additional Paid in Capital, Ending Balance </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Decrease in additional paid-in capital </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Gross Unrealized Gain </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilitiesDeferredExpenseDeferredFinancingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Tax Liabilities, Deferred Expense, Debt Issuance Costs </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilitiesDeferredExpenseDeferredFinancingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Deferred tax impact </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LeaseCostTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Lease, Cost [Table Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LeaseCostTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Components of Lease Expense </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DefinedBenefitPlanInterestCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Defined Benefit Plan, Interest Cost </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DefinedBenefitPlanInterestCost_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Interest cost </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Other Postretirement Benefits Plan [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Other Postretirement Benefits Plan [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_DayforceTradeNameMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Dayforce trade name. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_DayforceTradeNameMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Dayforce Trade Name [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_DayforceTradeNameMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> DayforceTradeNameMember </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Net income (loss) per share: </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Earnings Per Share [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Indefinite-Lived Intangible Assets, Major Class Name [Domain] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Indefinite-lived Intangible Assets, Major Class Name </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountingPoliciesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Accounting Policies [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireMachineryAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Payments to Acquire Machinery and Equipment </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireMachineryAndEquipment_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Expenditures for property, plant, and equipment </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Share Based Compensation Arrangement By Share Based Payment Award [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNoncurrentAssetsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Other Noncurrent Assets [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNoncurrentAssetsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Other Assets [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_CloudPowerpayRecurringServicesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Cloud powerpay recurring services. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_CloudPowerpayRecurringServicesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Cloud Powerpay Recurring Services [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_CloudPowerpayRecurringServicesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Cloud Powerpay Recurring [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Stockholders’ equity: </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevolvingCreditFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Revolving Credit Facility [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevolvingCreditFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Revolving Credit Facility [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Net income (loss) per share - basic </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Basic </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Earnings Per Share, Basic, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Net loss per share - basic </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Components of Accumulated Other Comprehensive Loss </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingencies_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Commitments and contingencies (Note 13) </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingencies_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Commitments and Contingencies </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Business Combinations [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeStatementAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Income Statement [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Defined Benefit Plan, Amortization of Gain (Loss) </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Actuarial loss (gain) amortization </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Increase (Decrease) in Accounts Payable and Accrued Liabilities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accounts payable and other accrued expenses </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Increase (Decrease) in Accounts Payable and Accrued Liabilities, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PerformanceSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Performance Shares [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PerformanceSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Performance Shares [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Indefinite-Lived Intangible Assets (Excluding Goodwill) </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Gross Carrying Amount </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Indefinite-lived Intangible Assets (Excluding Goodwill), Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Indefinite-lived Intangible Assets (Excluding Goodwill), Beginning Balance </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Indefinite-lived Intangible Assets (Excluding Goodwill), Ending Balance </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Indefinite-lived intangible assets, carrying value </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule of Changes in Deferred Revenue </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Operating Lease, Cost </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseCost_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Operating lease cost </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Change in fair value of contingent consideration </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CompensationAndRetirementDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Retirement Benefits [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Vested restricted stock units outstanding </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RangeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Statistical Measurement [Domain] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RangeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Statistical Measurement </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Net cash provided by operating activities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Net Cash Provided by (Used in) Operating Activities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_OtherComprehensiveIncomeLossUnrealizedGainLossFromInvestedCustomerFundsAdjustmentBeforeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Other comprehensive income loss unrealized gain loss from invested customer funds adjustment before tax. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_OtherComprehensiveIncomeLossUnrealizedGainLossFromInvestedCustomerFundsAdjustmentBeforeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Other Comprehensive Income Loss Unrealized Gain Loss From Invested Customer Funds Adjustment Before Tax </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_OtherComprehensiveIncomeLossUnrealizedGainLossFromInvestedCustomerFundsAdjustmentBeforeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Change in unrealized (loss) gain from invested customer funds </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentPeriodEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Document Period End Date </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentPeriodEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Document Period End Date </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_MaturityPeriodOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Maturities ranging from one to 120 days [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_MaturityPeriodOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Maturity Period One [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_MaturityPeriodOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Maturity Period One [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RangeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Statistical Measurement [Axis] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RangeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Statistical Measurement </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Commitments and Contingencies Disclosure [Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Commitments and Contingencies </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Net income (loss) per share - diluted </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Diluted </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Earnings Per Share, Diluted, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Net loss per share - diluted </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FundsHeldForClients_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Funds Held for Clients </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FundsHeldForClients_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Customer funds </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FundsHeldForClients_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total customer funds, Fair Value </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ProductsAndServicesDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Product and Service [Domain] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ProductsAndServicesDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Product and Service </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LeaseCostAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Lease, Cost [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LeaseCostAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Lease Cost </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefits_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Unrecognized Tax Benefits </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefits_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Unrecognized tax benefits </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefits_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Unrecognized Tax Benefits, Beginning Balance </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefits_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Unrecognized Tax Benefits, Ending Balance </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_DefinedBenefitPlanServiceBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Defined benefit plan service benefit. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_DefinedBenefitPlanServiceBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Defined Benefit Plan Service Benefit </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_DefinedBenefitPlanServiceBenefit_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Service benefit </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromContractWithCustomerAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Revenue from Contract with Customer [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Change in pension liability adjustment, tax </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt Instrument, Name [Domain] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Debt Instrument, Name </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementsFairValueHierarchyDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Fair Value Hierarchy and NAV [Domain] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementsFairValueHierarchyDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Fair Value Hierarchy and NAV </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Options Exercisable at End of Period </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ContractWithCustomerLiabilityAcquiredBillings_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Contract with customer liability acquired billings. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ContractWithCustomerLiabilityAcquiredBillings_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Contract With Customer Liability Acquired Billings </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ContractWithCustomerLiabilityAcquiredBillings_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Acquired billings </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Pension Liability Adjustment [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PensionPlansDefinedBenefitMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Pension Plan [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PensionPlansDefinedBenefitMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Defined Benefit Pension Plan [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule of Maturities of Long-Term Debt [Table Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule of Future Principal Payments and Maturities of Indebtedness, Excluding Financing Lease Obligations </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Other tax expense </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Other Tax Expense (Benefit) </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Finite-Lived Intangible Assets, Major Class Name [Domain] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Finite-Lived Intangible Assets, Major Class Name </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Options, Exercised </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Due in one year or less, Fair Value </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Liabilities and Equity [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> LIABILITIES AND EQUITY </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationPerformanceSharesAwardOutstandingActivityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Payment Arrangement, Performance Shares, Outstanding Activity [Table Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationPerformanceSharesAwardOutstandingActivityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Summary of Performance Stock Units </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressPostalZipCode_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Address, Postal Zip Code </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressPostalZipCode_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Address Postal Zip Code </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityInteractiveDataCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Interactive Data Current </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityInteractiveDataCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Interactive Data Current </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_PeriodsOfMaturityDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Periods Of Maturity </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_PeriodsOfMaturityDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Periods Of Maturity [Domain] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_PeriodsOfMaturityDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Periods Of Maturity [Domain] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CreditFacilityDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Credit Facility [Domain] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CreditFacilityDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Credit Facility </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Increase (Decrease) in Employee Related Liabilities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Employee compensation and benefits </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Increase (Decrease) in Employee Related Liabilities, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionFairValueTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value [Table Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionFairValueTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule of Unrealized Losses and Fair Value </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Equity [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfIndefiniteLivedIntangibleAssetsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule of Indefinite-Lived Intangible Assets [Table] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Reclassification from AOCI, Current Period, Net of Tax, Attributable to Parent </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Reclassifications to earnings </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Shares, Granted </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentPaymentTerms_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt Instrument, Payment Terms </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentPaymentTerms_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Debt instrument payment terms </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Weighted Average Exercise Price, Exercised </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityIncorporationStateCountryCode_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Incorporation, State or Country Code </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityIncorporationStateCountryCode_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Incorporation State Country Code </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementEquityComponentsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Equity Components [Axis] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementEquityComponentsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Equity Components </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Investments, Debt and Equity Securities [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Retirement Benefits [Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Employee Benefit Plans </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ShareBasedCompensationTermBasedSharesAwardOutstandingActivityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Share based compensation term based shares award outstanding activity. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ShareBasedCompensationTermBasedSharesAwardOutstandingActivityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share Based Compensation Term Based Shares Award Outstanding Activity Table [Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ShareBasedCompensationTermBasedSharesAwardOutstandingActivityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Summary of Term-Based Stock Option Activity </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_LocalPhoneNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Local Phone Number </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_LocalPhoneNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Local Phone Number </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Weighted Average Exercise Price Exercisable at End of Period </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtConversionConvertedInstrumentSharesIssued1_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt Conversion, Converted Instrument, Shares Issued </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtConversionConvertedInstrumentSharesIssued1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Initial Conversion Rate per $1,000 Principal </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_RevenueTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Revenue. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_RevenueTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Revenue [Table] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_RevenueTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Revenue [Table] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInDeferredRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Increase (Decrease) in Deferred Revenue </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInDeferredRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Deferred revenue </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CurrentFederalTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> U.S. state tax expense </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CurrentFederalTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Current Federal Tax Expense (Benefit) </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Goodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Goodwill </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Goodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Balance </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Goodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Balance </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Goodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Goodwill </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Goodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Goodwill, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_RecurringServicesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Recurring services. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_RecurringServicesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Recurring Services [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_RecurringServicesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Recurring [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedCashCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Restricted Cash, Current </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedCashCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Restricted cash </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementOfCashFlowsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Statement of Cash Flows [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_IncomeTaxesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Income Taxes. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_IncomeTaxesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Income Taxes [Table] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_IncomeTaxesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Income Taxes [Table] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ShareBasedCompensationByShareBasedPaymentAwardPercentageOfFairMarketValueOfShareOfCommonStockOnPurchaseDate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Share based compensation by share based payment award percentage of fair market value of share of common stock on purchase date. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ShareBasedCompensationByShareBasedPaymentAwardPercentageOfFairMarketValueOfShareOfCommonStockOnPurchaseDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share Based Compensation By Share Based Payment Award Percentage Of Fair Market Value Of Share Of Common Stock On Purchase Date </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ShareBasedCompensationByShareBasedPaymentAwardPercentageOfFairMarketValueOfShareOfCommonStockOnPurchaseDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Percentage of fair market value of share of common stock on purchase date </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveYearsFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Available For Sale Securities Debt Maturities After Five Years Fair Value </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveYearsFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Available For Sale Securities Debt Maturities After Five Years Fair Value </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveYearsFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Due after five years, Fair Value </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxAuthorityDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Income Tax Authority [Domain] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxAuthorityDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Income Tax Authority </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Organization, Consolidation and Presentation of Financial Statements [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Accumulated Other Comprehensive Income (Loss), Net of Tax </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accumulated other comprehensive loss </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Accumulated Other Comprehensive Income (Loss), Net of Tax, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GrossProfit_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Gross Profit </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GrossProfit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Gross profit </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedTranslationAdjustmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Accumulated Foreign Currency Adjustment Attributable to Parent [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedTranslationAdjustmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Foreign Currency Translation Adjustment [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredChargesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Charges, Policy [Policy Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredChargesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Deferred Costs </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Common Stock, Par or Stated Value Per Share </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Common Stock, par value </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccountsAndOtherReceivables_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Increase (Decrease) in Accounts and Other Receivables </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccountsAndOtherReceivables_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Trade and other receivables </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Effect of exchange rate changes on cash, restricted cash, and equivalents </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasicAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Net Income (Loss) Available to Common Stockholders, Basic [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasicAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Numerator: </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Interest rate on debt </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Debt instrument bear interest rate </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt instrument interest rate stated percentage </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CumulativeEffectPeriodOfAdoptionAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Cumulative Effect, Period of Adoption [Axis] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Share-based compensation expense related to unvested awards expected to be recognized over a weighted average period </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ContingentConsiderationClassifiedAsLiabilityFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Contingent consideration classified as liability fair value disclosure. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ContingentConsiderationClassifiedAsLiabilityFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Contingent Consideration Classified As liability Fair Value Disclosure </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ContingentConsiderationClassifiedAsLiabilityFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> DataFuzion contingent consideration </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Number of shares authorized </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_BaseErosionAndAntiAbuseTaxMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Base erosion anti-abuse tax. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_BaseErosionAndAntiAbuseTaxMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Base Erosion And Anti Abuse Tax [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_BaseErosionAndAntiAbuseTaxMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Base Erosion and Anti-Abuse Tax ("BEAT") [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MaximumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Maximum [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MaximumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Maximum [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Organization </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel3Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Fair Value, Inputs, Level 3 [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel3Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Fair Value, Inputs, Level 3 [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> APIC, Share-Based Payment Arrangement, Increase for Cost Recognition </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Share-based compensation </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> APIC, Share-based Payment Arrangement, Increase for Cost Recognition, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Fair Value, Recurring and Nonrecurring [Table] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermDebtTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Short-Term Debt, Type [Domain] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermDebtTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Short-term Debt, Type </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Net increase in cash, restricted cash, and equivalents </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt Instrument, Convertible, Carrying Amount of Equity Component </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Debt instrument, convertible, carrying amount of equity component </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtAndCapitalLeaseObligations_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Long-Term Debt and Lease Obligation </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtAndCapitalLeaseObligations_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Long-term debt, less current portion </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtAndCapitalLeaseObligations_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Long-term debt, less current portion </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtAndCapitalLeaseObligations_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Long-term Debt and Lease Obligation, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsForProceedsFromOtherInvestingActivities_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Other </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsForProceedsFromOtherInvestingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Other </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsForProceedsFromOtherInvestingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Payments for (Proceeds from) Other Investing Activities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_HCMGlobalEmployeeStockPurchasePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> HCM Global Employee Stock Purchase Plan. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_HCMGlobalEmployeeStockPurchasePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> H C M Global Employee Stock Purchase Plan [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_HCMGlobalEmployeeStockPurchasePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> HCM Global Employee Stock Purchase Plan [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_HCMGlobalEmployeeStockPurchasePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> HCM Global Employee Stock Purchase Plan [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_RevenueLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Revenue. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_RevenueLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Revenue [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_RevenueLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Revenue [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IntangibleAssetsGrossExcludingGoodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Intangible Assets, Gross (Excluding Goodwill) </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IntangibleAssetsGrossExcludingGoodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Gross Carrying Amount </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IntangibleAssetsGrossExcludingGoodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Intangible Assets, Gross (Excluding Goodwill), Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_PerformanceStockUnitsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Performance stock units. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_PerformanceStockUnitsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Performance Stock Units [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_PerformanceStockUnitsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Performance Stock Units ("PSUs") [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule of Potentially Dilutive Weighted Average Shares Excluded from Calculation of Net Loss per Diluted Share </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_DepreciationOfLeaseAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Depreciation of lease assets. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_DepreciationOfLeaseAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Depreciation Of Lease Assets </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_DepreciationOfLeaseAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Depreciation of lease assets </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CityAreaCode_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> City Area Code </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CityAreaCode_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> City Area Code </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_CappedCallTransactionsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Capped Call transactions. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_CappedCallTransactionsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Capped Call Transactions [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_CappedCallTransactionsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Capped Calls [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossBeforeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Other Comprehensive Income (Loss), before Tax </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossBeforeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Other comprehensive (loss) income before income taxes </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Customer Funds </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_DebtInstrumentFairValueOfTradingPrice_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Debt instrument fair value of trading price. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_DebtInstrumentFairValueOfTradingPrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt Instrument Fair Value Of Trading Price </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_DebtInstrumentFairValueOfTradingPrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Debt instrument fair value of trading price </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_DebtInstrumentFairValueOfTradingPrice_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Trading price per principal amount of notes </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LetterOfCreditMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Letter of Credit [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LetterOfCreditMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Letter of Credit [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Business Acquisition [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Business Acquisition [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_TwoThousandTwentyOneManagementIncentivePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Two thousand twenty one management incentive plan. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_TwoThousandTwentyOneManagementIncentivePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Two Thousand Twenty One Management Incentive Plan [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_TwoThousandTwentyOneManagementIncentivePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> 2021 Management Incentive Plan [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Weighted Average Number of Shares Outstanding, Basic </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Basic </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Weighted-average shares outstanding - basic </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Weighted Average Number of Shares Outstanding, Basic, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_FairValueOfAssetsAndLiabilitiesMeasuredOnNonRecurringBasisLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_FairValueOfAssetsAndLiabilitiesMeasuredOnNonRecurringBasisLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_FairValueOfAssetsAndLiabilitiesMeasuredOnNonRecurringBasisLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Net Cash Provided by (Used in) Financing Activities [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Cash Flows from Financing Activities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_CurrentAssetsBeforeFundsHeldForClients_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Current assets before funds held for clients. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_CurrentAssetsBeforeFundsHeldForClients_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Current Assets Before Funds Held For Clients </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_CurrentAssetsBeforeFundsHeldForClients_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total current assets before customer funds </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilitiesFinancingArrangements_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Tax Liabilities, Financing Arrangements </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilitiesFinancingArrangements_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Net of deferred tax impact </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfNonvestedRestrictedStockUnitsActivityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule of Nonvested Restricted Stock Units Activity [Table Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfNonvestedRestrictedStockUnitsActivityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Summary of Restricted Stock Units Activity </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Statement [Table] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Statement [Table] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeCostOfHedge_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Derivative, Cost of Hedge </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeCostOfHedge_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Derivative, premium paid </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFiscalPeriodFocus_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Document Fiscal Period Focus </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFiscalPeriodFocus_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Document Fiscal Period Focus </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_SamerAlkharratMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Samer Alkharrat. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_SamerAlkharratMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Samer Alkharrat [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_CostOfProfessionalServicesAndOther_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Cost Of Professional Services And Other </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_CostOfProfessionalServicesAndOther_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Cost Of Professional Services And Other </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_CostOfProfessionalServicesAndOther_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Professional services and other </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccruedProfessionalFeesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Accrued Professional Fees, Current </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccruedProfessionalFeesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accrued interest and fees </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Statement [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Statement [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConvertibleDebtTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Convertible Debt [Table Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConvertibleDebtTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule of Convertible Senior Notes </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfDebtInstrumentsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule of Long-Term Debt Instruments [Table Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfDebtInstrumentsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule of Debt Obligations </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt Instrument, Fair Value Disclosure </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Debt Instrument, Fair Value Disclosure, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Fair value of our indebtedness </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Antidilutive securities excluded from computation of earnings per share, amount </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ContractWithCustomerAssetNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Contract with Customer, Asset, after Allowance for Credit Loss </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ContractWithCustomerAssetNet_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Contract asset </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ContractWithCustomerAssetNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Contract with Customer, Asset, after Allowance for Credit Loss, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LeaseCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Lease, Cost </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LeaseCost_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total lease cost, net </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_LiabilitiesBeforeClientFundObligationsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Liabilities before client fund obligations current. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_LiabilitiesBeforeClientFundObligationsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Liabilities Before Client Fund Obligations Current </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_LiabilitiesBeforeClientFundObligationsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total current liabilities before customer funds obligations </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_AmortizedToInterestExpenseRate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Amortized To Interest Expense Rate </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_AmortizedToInterestExpenseRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Amortized To Interest Expense Rate </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_AmortizedToInterestExpenseRate_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Senior note, amortized interest rate </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CumulativeEffectPeriodOfAdoptionDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Cumulative Effect, Period of Adoption [Domain] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_CloudDayforceRecurringServicesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Cloud dayforce recurring services. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_CloudDayforceRecurringServicesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Cloud Dayforce Recurring Services [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_CloudDayforceRecurringServicesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Cloud Dayforce Recurring [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Common Stock [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Common Stock [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt Instrument [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Debt Instrument [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_PurchaseOfCappedCallsRelatedToConvertibleSeniorNotes_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Purchase Of Capped Calls Related To Convertible Senior Notes </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_PurchaseOfCappedCallsRelatedToConvertibleSeniorNotes_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Purchase of capped calls related to convertible senior notes </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_PurchaseOfCappedCallsRelatedToConvertibleSeniorNotes_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Purchase of capped calls related to convertible senior notes </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_PurchaseOfCappedCallsRelatedToConvertibleSeniorNotes_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Purchase of capped calls related to convertible senior notes. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Cash and Cash Equivalents, at Carrying Value </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Cash and equivalents </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Cash and Cash Equivalents, at Carrying Value, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Cash and Cash Equivalents, at Carrying Value, Beginning Balance </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Cash and Cash Equivalents, at Carrying Value, Ending Balance </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Aggregate Intrinsic Value, Options Exercisable </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Common Stock, Shares Outstanding </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Entity Common Stock, Shares Outstanding </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_AvailableForSaleSecuritiesDebtMaturitiesAfterThreeThroughFiveYearsFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Available For Sale Securities Debt Maturities After Three Through Five Years Fair Value </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_AvailableForSaleSecuritiesDebtMaturitiesAfterThreeThroughFiveYearsFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Available For Sale Securities Debt Maturities After Three Through Five Years Fair Value </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_AvailableForSaleSecuritiesDebtMaturitiesAfterThreeThroughFiveYearsFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Due in three to five years, Fair Value </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, before Tax </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, before Tax, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Change in pension liability adjustment </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_DebtInstrumentCarryingAmountAndFinanceLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Debt instrument carrying amount and finance lease liability. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_DebtInstrumentCarryingAmountAndFinanceLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt Instrument Carrying Amount And Finance Lease Liability </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_DebtInstrumentCarryingAmountAndFinanceLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total debt </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Antidilutive Securities, Name [Domain] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Antidilutive Securities, Name </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeasedAssetsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Operating Leased Assets [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeasedAssetsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Operating Leased Assets [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_SignificantAccountingPoliciesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Significant accounting policies. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_SignificantAccountingPoliciesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Significant Accounting Policies [Table] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_SignificantAccountingPoliciesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Significant Accounting Policies [Table] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CoverAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Cover [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SellingGeneralAndAdministrativeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Selling, General and Administrative Expense </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SellingGeneralAndAdministrativeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Selling, general, and administrative </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SellingGeneralAndAdministrativeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Selling, General and Administrative Expense, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_InvestmentsDebtAndEquitySecuritiesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Investments Debt And Equity Securities [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_InvestmentsDebtAndEquitySecuritiesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Investments debt and equity securities. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_HCMEquityIncentivePlan2018Member_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> HCM Equity Incentive Plan 2018. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_HCMEquityIncentivePlan2018Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> H C M Equity Incentive Plan2018 [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_HCMEquityIncentivePlan2018Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> HCM Equity Incentive Plan 2018 [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_VestingAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Vesting [Axis] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_VestingAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Vesting </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFiscalYearFocus_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Document Fiscal Year Focus </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFiscalYearFocus_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Document Fiscal Year Focus </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ReceivablesAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Receivables amortized cost. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ReceivablesAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Receivables Amortized Cost </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ReceivablesAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Receivables, Amortized Cost </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComprehensiveIncomeNoteTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Comprehensive Income (Loss) Note [Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComprehensiveIncomeNoteTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accumulated Other Comprehensive Loss </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ScheduleOfFiniteAndIndefiniteLivedIntangibleAssetsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Schedule of finite and indefinite lived intangible assets. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ScheduleOfFiniteAndIndefiniteLivedIntangibleAssetsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule Of Finite And Indefinite Lived Intangible Assets [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ScheduleOfFiniteAndIndefiniteLivedIntangibleAssetsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule of Finite and Indefinite Lived Intangible Assets [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_TradeAndOtherReceivablesNetMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Trade and other receivables net. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_TradeAndOtherReceivablesNetMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Trade And Other Receivables Net [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_TradeAndOtherReceivablesNetMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Trade And Other Receivables Net [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Proceeds, Issuance of Shares, Share-Based Payment Arrangement, Including Option Exercised </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Proceeds from issuance of common stock under share-based compensation plans </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Proceeds, Issuance of Shares, Share-based Payment Arrangement, Including Option Exercised, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_SecurityExchangeName_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Security Exchange Name </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_SecurityExchangeName_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Security Exchange Name </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ScheduleOfOrganizationConsolidationAndPresentationOfFinancialStatementsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule Of Organization Consolidation And Presentation Of Financial Statements [Table] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ScheduleOfOrganizationConsolidationAndPresentationOfFinancialStatementsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule Of Organization Consolidation And Presentation Of Financial Statements [Table] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ScheduleOfOrganizationConsolidationAndPresentationOfFinancialStatementsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Schedule of organization consolidation and presentation of financial statements. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Other comprehensive income </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> New Accounting Pronouncements, Policy [Policy Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Recently Issued and Adopted Accounting Pronouncements from the Financial Accounting Standards Board </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccruedTaxesPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Increase (Decrease) in Accrued Taxes Payable </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccruedTaxesPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accrued taxes </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccruedTaxesPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Increase (Decrease) in Accrued Taxes Payable, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Change in foreign currency translation adjustment </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_DebtInstrumentPercentageOfAggregatePrincipalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Debt instrument percentage of aggregate principal amount. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_DebtInstrumentPercentageOfAggregatePrincipalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt Instrument Percentage Of Aggregate Principal Amount </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_DebtInstrumentPercentageOfAggregatePrincipalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Debt instrument percentage of aggregate principal amount </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansDisclosuresTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansDisclosuresTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Defined Benefit Plans And Other Postretirement Benefit Plans Disclosures [Table] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CostOfRevenueAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Cost of Revenue [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CostOfRevenueAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Cost of revenue: </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionAcquireeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Business Acquisition, Acquiree [Domain] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionAcquireeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Business Acquisition, Acquiree </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Other Comprehensive Income (Loss), Tax </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Other Comprehensive Income (Loss), Tax, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Income tax (benefit) expense, net </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancialInstrumentAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Financial Instrument [Axis] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancialInstrumentAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Financial Instrument </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Weighted Average Number of Shares Outstanding, Diluted [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Weighted-average shares outstanding: </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Denominator: </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_OperatingLeaseRightOfUseAssetCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Operating lease right of use asset current. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_OperatingLeaseRightOfUseAssetCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Operating Lease Right Of Use Asset Current </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_OperatingLeaseRightOfUseAssetCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Operating lease assets current </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityEmergingGrowthCompany_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Emerging Growth Company </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityEmergingGrowthCompany_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Emerging Growth Company </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromConvertibleDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Proceeds from Convertible Debt </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromConvertibleDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Proceeds from issuance of convertible senior notes, net of issuance costs </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AmendmentFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Amendment Flag </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AmendmentFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Amendment Flag </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Gross Unrealized Loss </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Gross Unrealized Loss </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TypeOfAdoptionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Accounting Standards Update [Domain] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TypeOfAdoptionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accounting Standards Update </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TechnologyBasedIntangibleAssetsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Technology-Based Intangible Assets [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TechnologyBasedIntangibleAssetsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Technology [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BasisOfAccountingPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Basis of Accounting, Policy [Policy Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BasisOfAccountingPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Basis of Presentation </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_TermBasedStockOptionsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Term based stock options. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_TermBasedStockOptionsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Term Based Stock Options [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_TermBasedStockOptionsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Term Based Stock Options [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromLinesOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Proceeds from Lines of Credit </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromLinesOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Proceeds from revolving credit facility </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromLinesOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Proceeds from Lines of Credit, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LeasesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Leases [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPosition_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt Securities, Available-for-Sale, Unrealized Loss Position </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPosition_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total, Fair Value </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityFileNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Securities Act File Number </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityFileNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity File Number </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityExpirationDate1_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Line of Credit Facility, Expiration Date </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityExpirationDate1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Line of credit maturity date </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Series of Individually Immaterial Business Acquisitions [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Previous Acquisition [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_Receivables_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Receivables. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_Receivables_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Receivables </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_Receivables_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Receivables, Fair Value </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Goodwill and Intangible Assets Disclosure [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_PaymentsToAcquireSoftwareAndTechnology_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Payments to acquire software and technology. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_PaymentsToAcquireSoftwareAndTechnology_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Payments To Acquire Software And Technology </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_PaymentsToAcquireSoftwareAndTechnology_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Expenditures for software and technology </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_CappedCallInitialStrikePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Capped call initial strike price. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_CappedCallInitialStrikePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Capped call initial strike price </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Payment Arrangement [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Accounts Payable, Current </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accounts payable </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Accounts Payable, Current, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt Instrument [Axis] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Debt Instrument </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsValuationAllowance_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Tax Assets, Valuation Allowance </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsValuationAllowance_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Valuation allowance </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsValuationAllowance_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Deferred Tax Assets, Valuation Allowance, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> 2024 </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Long-Term Debt, Maturity, Year One </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Change in pension liability adjustment, net of tax </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ShareBasedCompensationArrangementByShareBasedPaymentAwardExercisePeriodAfterEmploymentTermination_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Share based compensation arrangement by share based payment award exercise period after employment termination. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ShareBasedCompensationArrangementByShareBasedPaymentAwardExercisePeriodAfterEmploymentTermination_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share Based Compensation Arrangement By Share Based Payment Award Exercise Period After Employment Termination </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ShareBasedCompensationArrangementByShareBasedPaymentAwardExercisePeriodAfterEmploymentTermination_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Share based compensation arrangement by share based payment award exercise period after employment termination </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntitySmallBusiness_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Small Business </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntitySmallBusiness_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Small Business </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityShellCompany_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Shell Company </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityShellCompany_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Shell Company </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromDebtNetOfIssuanceCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Proceeds from Debt, Net of Issuance Costs </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromDebtNetOfIssuanceCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Net proceeds from deducting initial purchase discounts and other debt issuance costs </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Share-based compensation expense related to unvested PSUs not yet recognized </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Net Income (Loss) per Share </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Earnings Per Share [Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenuesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Revenues [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenuesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Revenue: </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Options, Forfeited or expired </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressAddressLine1_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Address, Address Line One </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressAddressLine1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Address Address Line1 </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CustomerRelatedIntangibleAssetsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Customer-Related Intangible Assets [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CustomerRelatedIntangibleAssetsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Customer Lists and Relationships [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_InvestmentIncomeFromInvestedCustomerTrustFund_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Investment Income From Invested Customer Trust Fund </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_InvestmentIncomeFromInvestedCustomerTrustFund_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Investment Income From Invested Customer Trust Fund </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_InvestmentIncomeFromInvestedCustomerTrustFund_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Float revenue </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Antidilutive Securities [Axis] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Antidilutive Securities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Finite-Lived Intangible Assets, Gross </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Gross Carrying Amount </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Finite-Lived Intangible Assets, Gross, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_AvailableForSaleSecuritiesDebtMaturitiesAfterThreeThroughFiveYearsAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Available For Sale Securities Debt Maturities After Three Through Five Years Amortized Cost </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_AvailableForSaleSecuritiesDebtMaturitiesAfterThreeThroughFiveYearsAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Available For Sale Securities Debt Maturities After Three Through Five Years Amortized Cost </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_AvailableForSaleSecuritiesDebtMaturitiesAfterThreeThroughFiveYearsAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Due in three to five years, Cost </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsAndOtherReceivablesNetCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Accounts and Other Receivables, Net, Current </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsAndOtherReceivablesNetCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Trade and other receivables, net </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeStatementLocationAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Income Statement Location [Axis] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeStatementLocationAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Income Statement Location </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> 2026 </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Long-Term Debt, Maturity, Year Three </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ReconciliationOfCashRestrictedCashAndEquivalentsToCondensedConsolidatedBalanceSheetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Reconciliation of cash restricted cash and equivalents to condensed consolidated balance sheets abstract. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ReconciliationOfCashRestrictedCashAndEquivalentsToCondensedConsolidatedBalanceSheetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Reconciliation Of Cash Restricted Cash And Equivalents To Condensed Consolidated Balance Sheets [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ReconciliationOfCashRestrictedCashAndEquivalentsToCondensedConsolidatedBalanceSheetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Reconciliation of cash, restricted cash, and equivalents to the condensed consolidated balance sheets </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_CloudPowerpayRecurringExcludingFloatServicesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Cloud Powerpay Recurring, Excluding Float [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_CloudPowerpayRecurringExcludingFloatServicesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Cloud Powerpay Recurring Excluding Float Services [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_CloudPowerpayRecurringExcludingFloatServicesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Cloud powerpay recurring excluding float services. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongtermDebtTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Long-Term Debt, Type [Axis] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongtermDebtTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Long-term Debt, Type </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Net income (loss) </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Net income (loss) </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Net Income (Loss), Including Portion Attributable to Noncontrolling Interest </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Net Income (Loss), Including Portion Attributable to Noncontrolling Interest, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_IncomeTaxesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Income Taxes. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_IncomeTaxesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Income Taxes [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_IncomeTaxesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Income Taxes [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentFrequencyOfPeriodicPayment_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt Instrument, Frequency of Periodic Payment </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentFrequencyOfPeriodicPayment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Debt instrument frequency of periodic payment </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel2Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Fair Value, Inputs, Level 2 [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel2Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Fair Value, Inputs, Level 2 [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ScheduleOfFiniteAndIndefiniteLivedIntangibleAssetsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Schedule of finite and indefinite lived intangible assets table. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ScheduleOfFiniteAndIndefiniteLivedIntangibleAssetsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule Of Finite And Indefinite Lived Intangible Assets [Table] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ScheduleOfFiniteAndIndefiniteLivedIntangibleAssetsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule Of Finite And Indefinite Lived Intangible Assets [Table] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentCarryingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Long-Term Debt, Gross </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentCarryingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Total debt excluding financing lease liabilities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentCarryingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Principal payments and maturities excluding financing lease obligations </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_MoneyMarketSecuritiesInvestmentsCarriedAtCostAndOtherCashEquivalentsFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Money market securities investments carried at cost and other cash equivalents fair value. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_MoneyMarketSecuritiesInvestmentsCarriedAtCostAndOtherCashEquivalentsFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Money Market Securities Investments Carried At Cost And Other Cash Equivalents Fair Value </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_MoneyMarketSecuritiesInvestmentsCarriedAtCostAndOtherCashEquivalentsFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Money market securities, investments carried at cost and other cash equivalents, Fair Value </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ProductOrServiceAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Product and Service [Axis] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ProductOrServiceAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Product and Service </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ProceedsPaymentsFromCustomerFundsObligations_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Proceeds payments from customer funds obligations. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ProceedsPaymentsFromCustomerFundsObligations_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Proceeds Payments From Customer Funds Obligations </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ProceedsPaymentsFromCustomerFundsObligations_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Increase in customer funds obligations, net </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_Security12bTitle_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Title of 12(b) Security </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_Security12bTitle_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Title of 12(b) Security </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_AverageCustomerTrustFundsMaintainedInLiquidityPortfoliosPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Average customer trust funds held in liquidity portfolios, Percentage </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_AverageCustomerTrustFundsMaintainedInLiquidityPortfoliosPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Average Customer Trust Funds Maintained In Liquidity Portfolios Percentage </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_AverageCustomerTrustFundsMaintainedInLiquidityPortfoliosPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Average customer trust funds maintained in liquidity portfolios percentage. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Finite-Lived Intangible Assets, Accumulated Amortization </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Accumulated Amortization </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Issuance of common stock under share-based compensation plans </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MoneyMarketFundsAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Money Market Funds, at Carrying Value </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MoneyMarketFundsAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Money market securities, investments carried at cost and other cash equivalents, Amortized Cost </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_HCMStockIncentivePlan2013Member_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> HCM Stock Incentive Plan 2013. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_HCMStockIncentivePlan2013Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> H C M Stock Incentive Plan2013 [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_HCMStockIncentivePlan2013Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> HCM Stock Incentive Plan 2013 [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Fair Value, Assets Measured on Recurring Basis [Table Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Financial Assets and Liabilities Measured at Fair Value on Recurring Basis </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Accounting Standards Update [Axis] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accounting Standards Update </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrepaidExpensesAndOtherCurrentAssetsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Prepaid Expenses and Other Current Assets [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrepaidExpensesAndOtherCurrentAssetsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Prepaid Expenses and Other Current Assets [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_CloudDayforceRecurringExcludingFloatServicesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Cloud Dayforce Recurring, Excluding Float [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_CloudDayforceRecurringExcludingFloatServicesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Cloud Dayforce Recurring Excluding Float Services [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_CloudDayforceRecurringExcludingFloatServicesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Cloud dayforce recurring excluding float services. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_MaturityPeriodTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Maturities ranging from 120 days to 10 years [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_MaturityPeriodTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Maturity Period Two [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_MaturityPeriodTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Maturity Period Two [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Net Cash Provided by (Used in) Investing Activities [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Cash Flows from Investing Activities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfFinancingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Amortization of Debt Issuance Costs </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfFinancingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Amortization of debt issuance costs </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StateAndLocalJurisdictionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> State and Local Jurisdiction [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StateAndLocalJurisdictionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> State [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OciBeforeReclassificationsBeforeTaxAttributableToParent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Other comprehensive income before income taxes and reclassifications </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OciBeforeReclassificationsBeforeTaxAttributableToParent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> OCI, before Reclassifications, before Tax, Attributable to Parent </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Weighted Average Number of Shares Outstanding, Diluted, Adjustment </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Effect of dilutive equity instruments </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Weighted Average Number Diluted Shares Outstanding Adjustment, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Long-Term Debt and Lease Obligation, Current </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Current portion of long-term debt </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Less current portion of long-term debt </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Long-term Debt and Lease Obligation, Current, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationAwardTrancheThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Payment Arrangement, Tranche Three [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationAwardTrancheThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Share-based Compensation Award, Tranche Three [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ContractWithCustomerLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Contract with Customer, Liability </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ContractWithCustomerLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Deferred revenue, end of period </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ContractWithCustomerLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Deferred revenue, beginning of period </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ContractWithCustomerLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Contract with Customer, Liability, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_DebtInstrumentAdditionalAggregatePrincipalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Debt instrument additional aggregate principal amount. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_DebtInstrumentAdditionalAggregatePrincipalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt Instrument Additional Aggregate Principal Amount </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_DebtInstrumentAdditionalAggregatePrincipalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Debt instrument additional aggregate principal amount </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestExpenseDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Interest Expense, Debt </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestExpenseDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel"> Total, Unrealized Losses </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_AverageCustomerTrustFundsMaintainedInFixedIncomePortfoliosPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Average customer trust funds held in fixed income portfolios, Percentage </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_AverageCustomerTrustFundsMaintainedInFixedIncomePortfoliosPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Average Customer Trust Funds Maintained In Fixed Income Portfolios Percentage </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_AverageCustomerTrustFundsMaintainedInFixedIncomePortfoliosPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Average customer trust funds maintained in fixed income portfolios percentage. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Weighted Average Remaining Contractual Term Exercisable (in years) </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Common Stock, Shares, Outstanding </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Common Stock, shares outstanding </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Common Stock, Shares, Outstanding, Beginning Balance </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Common Stock, Shares, Outstanding, Ending Balance </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Payment Arrangement [Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Share-Based Compensation </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_OtherShortTermInvestmentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Other short term investments member. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_OtherShortTermInvestmentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Other Short Term Investments Member </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_OtherShortTermInvestmentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Other Short-Term Investments [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetirementPlanTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Retirement Plan Type [Axis] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetirementPlanTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Retirement Plan Type </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnamortizedDebtIssuanceExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Unamortized Debt Issuance Expense </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnamortizedDebtIssuanceExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Less unamortized debt issuance costs on Term Debt and Convertible Senior Notes </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeStatementLocationDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Income Statement Location [Domain] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeStatementLocationDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Income Statement Location </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Weighted Average Exercise Price, Granted </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentType_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Document Type </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentType_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Document Type </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountingStandardsUpdate202006Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Accounting Standards Update 2020-06 [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountingStandardsUpdate202006Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> ASU 2020-06 [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Defined Benefit Plan, Amortization of Prior Service Cost (Credit) </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Prior service credit amortization </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenuePracticalExpedientRemainingPerformanceObligationDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Revenue, Practical Expedient, Remaining Performance Obligation, Description </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenuePracticalExpedientRemainingPerformanceObligationDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Remaining performance obligation, description of practical expedient </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Net Cash Provided by (Used in) Investing Activities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Net cash provided by (used in) investing activities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentQuarterlyReport_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Document Quarterly Report </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentQuarterlyReport_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Document Quarterly Report </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageMaximumLevelAchievingPayout_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Share based compensation arrangement by share based payment award percentage maximum level achieving payout. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageMaximumLevelAchievingPayout_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share Based Compensation Arrangement By Share Based Payment Award Percentage Maximum Level Achieving Payout </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageMaximumLevelAchievingPayout_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Maximum percentage level achieving payout of PSUs </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfNetBenefitCostsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule of Net Benefit Costs [Table Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfNetBenefitCostsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Components of Net Periodic Cost for Defined Benefit Pension Plan and for Postretirement Benefit Plan </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Goodwill and Other Intangible Assets, Net </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Goodwill and Intangible Assets Disclosure [Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Shares, Forfeited or canceled </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Net Cash Provided by (Used in) Financing Activities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Net cash provided by financing activities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityFilerCategory_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Filer Category </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityFilerCategory_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Filer Category </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BalanceSheetLocationDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Balance Sheet Location [Domain] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BalanceSheetLocationDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Balance Sheet Location </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Foreign currency translation </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_OtherRecurringMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Other Recurring [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_OtherRecurringMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Other Recurring [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_OtherRecurringMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Other recurring. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireMarketableSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Payments to Acquire Marketable Securities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireMarketableSecurities_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Purchase of customer funds marketable securities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireMarketableSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Payments to Acquire Marketable Securities, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TradeNamesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Trade Names [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TradeNamesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Trade Name [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Liabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Liabilities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Liabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total liabilities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Costs, Noncurrent </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Deferred costs </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Deferred Costs, Noncurrent, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodNetOfForfeituresAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Net of Forfeitures [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodNetOfForfeituresAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Shares </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetUsefulLife_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Finite-Lived Intangible Asset, Useful Life </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetUsefulLife_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Estimated Life Range (Years) </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Accumulated Other Comprehensive Income (Loss) [Table] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accumulated Other Comprehensive Income Loss [Table] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Equity, Attributable to Parent </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Ending balance </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Beginning balance </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total stockholders’ equity </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughThreeYearsFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Available For Sale Securities Debt Maturities After One Through Three Years Fair Value </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughThreeYearsFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Available For Sale Securities Debt Maturities After One Through Three Years Fair Value </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughThreeYearsFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Due in one to three years, Fair Value </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NumberOfCountriesInWhichEntityOperates_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Number of countries operate globally </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NumberOfCountriesInWhichEntityOperates_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Number of Countries in which Entity Operates </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IntangibleAssetsNetExcludingGoodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Intangible Assets, Net (Excluding Goodwill) </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IntangibleAssetsNetExcludingGoodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Other intangible assets, net </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IntangibleAssetsNetExcludingGoodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Net </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Net income (loss) </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Net income (loss) </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossBeforeTaxPeriodIncreaseDecreaseAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Other Comprehensive Income (Loss), before Tax [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossBeforeTaxPeriodIncreaseDecreaseAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Items of other comprehensive (loss) income before income taxes: </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Interest Expense </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Interest expense, net </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Interest Expense, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_IndefiniteLivedIntangibleAssetsExcludingGoodwillNet_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Indefinite lived intangible assets excluding goodwill net. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_IndefiniteLivedIntangibleAssetsExcludingGoodwillNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Indefinite Lived Intangible Assets Excluding Goodwill Net </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_IndefiniteLivedIntangibleAssetsExcludingGoodwillNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Net </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveYearsAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Available For Sale Securities Debt Maturities After Five Years Amortized Cost </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveYearsAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Available For Sale Securities Debt Maturities After Five Years Amortized Cost </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveYearsAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Due after five years, Cost </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CorporateDebtSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Corporate Debt Securities [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CorporateDebtSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Corporate Debt Securities [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementOfFinancialPositionAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Statement of Financial Position [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Issuance of common stock under share-based compensation plans, shares </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Weighted Average Number of Shares Outstanding, Diluted </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Diluted </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Weighted-average shares outstanding - diluted </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_PeriodsOfMaturityAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Periods Of Maturity </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_PeriodsOfMaturityAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Periods Of Maturity [Axis] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_PeriodsOfMaturityAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Periods Of Maturity [Axis] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CreditFacilityAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Credit Facility [Axis] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CreditFacilityAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Credit Facility </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesIssuedPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Shares Issued, Price Per Share </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesIssuedPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Purchase Price (per share) </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_CloudAndBureauProfessionalServicesAndOtherMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Cloud and bureau professional services and other. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_CloudAndBureauProfessionalServicesAndOtherMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Cloud And Bureau Professional Services And Other [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_CloudAndBureauProfessionalServicesAndOtherMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Professional Services and Other [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_OtherSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Other Securities [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_OtherSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Other Securities [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_OtherSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Other Securities [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt Securities, Available-for-Sale, Amortized Cost </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Amortized Cost </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Amortized Cost </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Defined Benefit Plan, Net Periodic Benefit Cost (Credit) </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Net periodic pension and postretirement cost </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Net periodic pension cost </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardPurchasePriceOfCommonStockPercent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Percentage of fair market value of a share of common stock on offering date or purchase date </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardPurchasePriceOfCommonStockPercent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Purchase Price of Common Stock, Percent </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Income Tax Disclosure [Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Income Taxes </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodEndLabel"> Weighted Average Exercise Price at End of Period </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Weighted Average Exercise Price at End of Period </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Weighted Average Exercise Price at Beginning of Period </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Exercise price per share </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule of Computations of Net Income (Loss) per Basic and Diluted Share </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughThreeYearsAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Available For Sale Securities Debt Maturities After One Through Three Years Amortized Cost </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughThreeYearsAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Available For Sale Securities Debt Maturities After One Through Three Years Amortized Cost </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughThreeYearsAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Due in one to three years, Cost </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestExpenseDebtExcludingAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Interest Expense, Debt, Excluding Amortization </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestExpenseDebtExcludingAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Contractual interest expense </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisaggregationOfRevenueLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Disaggregation of Revenue [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisaggregationOfRevenueLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Disaggregation Of Revenue [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> 12 months or more, Unrealized Losses </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxAuthorityAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Income Tax Authority [Axis] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxAuthorityAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Income Tax Authority </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueDisclosuresAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Fair Value Disclosures [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignLineOfCreditMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Foreign Line of Credit [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignLineOfCreditMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Foreign Line of Credit [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Current Income Tax Expense (Benefit) </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Current income tax benefit </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Current Income Tax Expense (Benefit), Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Current income tax benefit </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Comprehensive (loss) income </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByFairValueHierarchyLevelAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Fair Value Hierarchy and NAV [Axis] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByFairValueHierarchyLevelAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Fair Value Hierarchy and NAV </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_IntangibleAssetsAccumulatedAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Intangible assets accumulated amortization. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_IntangibleAssetsAccumulatedAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Intangible Assets Accumulated Amortization </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="cday_IntangibleAssetsAccumulatedAmortization_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Accumulated Amortization </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseInterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Finance Lease, Interest Expense </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinanceLeaseInterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Interest on lease liabilities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Shares, Vested and released </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Stock options, vested </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Stock Issued During Period, Shares, New Issues </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Shares Issued </link:label>
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<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeRelatedLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Employee compensation and benefits </link:label>
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<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Business Acquisition [Axis] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Business Acquisition </link:label>
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<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Cash, restricted cash, and equivalents at end of period </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Cash, restricted cash, and equivalents at beginning of period </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Total cash, restricted cash, and equivalents </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredRevenueCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Revenue, Current </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredRevenueCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Deferred revenue </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredRevenueCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Deferred Revenue, Current, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Proceeds from Sale and Maturity of Marketable Securities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Proceeds from sale and maturity of customer funds marketable securities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Proceeds from Sale and Maturity of Marketable Securities, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Income Tax Disclosure [Abstract] </link:label>
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<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Finite-Lived Intangible Assets by Major Class </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MarketableSecuritiesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Marketable Securities [Table Text Block] </link:label>
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2 Subsequent Filings that Reference this Filing

  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 2/28/24  Dayforce, Inc.                    10-K       12/31/23  141:23M                                    Donnelley … Solutions/FA
11/13/23  Ceridian HCM Holding Inc.         10-Q        9/30/23   96:15M                                    Donnelley … Solutions/FA

5 Previous Filings that this Filing References

  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 3/01/23  Ceridian HCM Holding Inc.         8-K:5,8,9   2/27/23   19:2M                                     Donnelley … Solutions/FA
 3/01/23  Ceridian HCM Holding Inc.         10-K       12/31/22  138:29M                                    Donnelley … Solutions/FA
 5/05/21  Ceridian HCM Holding Inc.         10-Q        3/31/21   97:13M                                    ActiveDisclosure/FA
 3/05/21  Ceridian HCM Holding Inc.         8-K:1,2,3,8 3/05/21   12:1.1M                                   Donnelley … Solutions/FA
 5/24/18  Ceridian HCM Holding Inc.         10-Q        3/31/18   96:7M                                     Donnelley … Solutions/FA
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