In the Branches tab of Maintenance you will find a checkbox called “show clinics one day at a time” on the right-hand side:

If this checkbox is ticked, when you enter the appointments module, instead of seeing a block of the next seven clinics, you will only see one day at a time. E.g.

Show clinics one day at a time is ticked:

Show clinics one day at a time box is NOT ticked: