Dayforce (DAY) 8-K Amendments to Articles of Incorporation or Bylaws

Exhibit 3.1

CERTIFICATE OF AMENDMENT

OF

FOURTH AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF CERIDIAN HCM HOLDING INC.

Ceridian HCM Holding Inc. (the “Corporation”), a corporation organized and existing under the laws of the State of Delaware (the “DGCL”), does hereby certify as follows:

FIRST: The “Name” section in the Fourth Amended and Restated Certificate of Incorporation of the Corporation is hereby amended to read in its entirety as follows:

NAME

The name of the corporation (the “Corporation”) is “Dayforce, Inc.”

SECOND: This amendment and the change of name of the Corporation contemplated herein shall become effective at 11:58 P.M., Eastern Standard Time on January 31, 2024.

The foregoing amendment was duly adopted in accordance with Section 242 of the DGCL.

[signature page follows]

IN WITNESS WHEREOF, the undersigned has caused this Certificate of Amendment to be signed by its duly authorized officer on the date set forth below.

CERIDIAN HCM HOLDING INC.

By: /s/ William E. McDonald

Name: William E. McDonald

Title: Executive Vice President, General Counsel and Corporate Secretary

Date: January 29, 2024

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