After importing the xml data for global users from EEM portal the Password Change date is shown as below in the xml file.
<PasswordChangeDate>1663574428</PasswordChangeDate>
This does not conform to any date format
The date is listed as epoch time
AutoSys also offers a utility named "time0" which when run from a command line can convert the time
C:\Program Files\CA\WorkloadAutomationAE>time0 -a 1663574428
CAUAJM_I_50097 External Time: 09/19/2022 08:00:28
You could also use the epoch converter available online as well.