1 Bbdivers i want guest to book min 24 hour before check in i want only booking 24 hours before, no last minute bookings 2 LouiseMHS Hi, There maybe other ways but I do this via the 'Minimum advance reservation' tab on the drop down list on the Calendar, under Rates & Availability tab. You can make changes for long or short periods.Go to Home - Rates & Availabilities - Calendar. On the left hand side of Calendar screen click on your Room Type, on the drop down menu there is the 'Minimum advance reservation' tab. Click edit. I make a lot of changes via the Calendar Screen. Hope this helps.