How to set minimum number of hours for a booking

Navigate to More → Global Settings

Type the keyword "minimum" in the search bar

You can set the desired value here, the default number is 4 hours.


You can also:
In global settings to go clients.
Then go to other settings.

There, you will see the booking minimum settings. You can set the overall booking minimum for all clients. You can also set them based on location or category.