Currently it does not appear to be possible to allow a booking to be made between e.g. 11:30pm and 00:30hrs the next day. I am testing the set up of a calendar for use by a global team. Our ...
Technically you could have up to 23:55 daily, but you'd close for 5 minutes? because 0:00 is the 'new day' it is a paradox of how the time is calculated.
I also have requested support for this issue. I am awaiting their 'helpful response'