Step 1:
Go to the Calendar section.
Step 2:
Click Actions.
Step 3:
Select Set Availability.
Step 4:
Review the current availability hours for each day.
Example:
Monday: Until 3 PM
Tuesday: Until 3 PM
Wednesday: Until 3 PM
Step 5:
Update the end time for the days you want to extend availability.
Example:
Change availability to 6 PM
Step 6:
Save the updated availability.
Step 7:
Go back to the lead or appointment page.
Step 8:
Refresh the appointment scheduler.
Step 9:
Create or edit the appointment again.