By default, the email due date field may display both date and time (e.g., 1/1/2000 12:12). If you need to display only the date (e.g., 1/1/2000) and exclude the time component, you can achieve this by modifying the display format properties.
Identity Manager 14.x & 15
To remove the time component (hours and minutes) from the email due date field, follow these steps:
format.date.display.dd/MM/yyyy HH:MMdd/MM/yyyy