You can set the start time for an extension when it need to start so you do not miss your important task to be missed out when you are busy with your other important work. It should be provided in 24 hours format hh:mm:ss. This is developed as per user need. It can be left ‘blank’.
13:00:00:00at afternoon 1 PM
00:00:00:00at midnight 12 AM
15:15:15:15at afternoon 3 PM and 15 mins and 15 seconds and 15 milliseconds