How to edit default availability once already set:
1. Select the Calendar icon, then click on the Availability tab.
2. Click on any session time, or the edit/delete link, within an existing time block to open the Edit hours page for that block.
3. Make the necessary changes and click Save.
Note: You can also delete the entire time block (all sessions within a start and end time) by clicking the Delete Button.
4. Click Save.
