Use this procedure to change your working hours (the hours you’re available for a specific type of event).
On your Home page, select the event type.
Expand the When can people book this event section.
At When are you available for this type of event? select Custom Hours.
Check the box next to each day of the week that you are typically available.
For each day you're available, select the start and end time for the block of time when you're available.
To add another time slot for a day, select "+" and enter the start and end times.
Select Save & Close.