When I use a form property with type date and the user opens the Datepicker, it is possible to select date and time as well (even milliseconds ). However, when I select the date picker from the task header for due date, only date can be selected. Could it be so that for the task header also setting the due time is supported?
This was a choice we made when designing the explorer app, since generally a "user task" due date is only relevant to a day. However, the field in the database supports millisecond precision for the due date of a task. You can always alter the input-mask of the date-picker in a custom version of explorer.