If you want to shut down your own admin for a particular date so no other members of your team can accidentally add bookings in when you might already have a full venue hire in or are fully booked.
>Unavailable dates tab
>Close All Types of Bookings on your front-end calendar like you usually would (How?)
>Tick the Close Admin box
> Click SAVE
Once this is done, a message will display on the Diary page indicating that the day is closed: