This JQL function is used for searching for users by checking against user properties that contain date or date-time values.
usersWithDateTimeProperty(propertyName, operator, value, format) #Output: User list
Variant supporting 12-hr and 24-hr format:
12-hr format: MM-dd-yyyy [hh:mm a]
wherea
stands for AM/PM24-hr format: MM-dd-yyyy [hh:mm]
usersWithDateTimePropertyValue(String property, String comparator, DateTime value, format) #Output: User list