As an Admin you have the possibility to adjust the availability of (other) users or groups. The steps below explain how to do this.
In the Dashboard go to 'Availability' and click on 'Someone else' at the top.
Choose whether you want to adjust the availability for a group or a person. You can enter multiple groups or persons at the same time.
Choose the day and time that you want to block for this group or person. As soon as the time frame is blocked, you can click on the block repeat the blockage. This can be done daily, weekly, monthly and yearly.