You can edit or delete your working hours at any time. However, TIBCO ActiveMatrix BPM uses the latest calendar mapping so you should make sure that if you do edit or delete your working hours while a process is deployed that it does not adversely affect the process.
Procedure
To edit or delete your working hours in the system calendar, click
Edit.
The system calendar is displayed with the work hours and exclusions displayed, similiar to the one below:
Click the time span you want to edit. The
Edit Working Hours dialog displays.