Allow timeslots to cross midnight
Booking rules tab
Enable this option if you need to allow timeslots to cross midnight. For example, if the option is enabled, timeslots of the service with duration of 120 minutes will be the following: 19:00-21:00, 21:00-23:00, 23:00-1:00. If the option is disabled, time slots will be 9:00-21:00, 21:00-23:00.