This tutorial defines 'How you can setup the weekly recurring availability'.
For setting up the 'One Time/future availability' please click here.
Weekly Availability: For setting up the weekly availability please go to your Profile from the tab staff and click Availability.
The pinkish color indicates 'Un-Available' and green indicates 'Available'. If the 'Availability Approval' feature is on, you will see 'Approved Availability' and the option 'Click Here to Edit'.
For setting up the availability by day please click here.