Fitness Center weekly recurring schedule

Hi,

I want to know if there are any existing ways in Drupal to create a recurring weekly schedule for a fitness center?

The criteria for the schedule is as follows:
- the schedule repeats weekly
- changes are made once or twice per season
- there are 2 class rooms, and classes overlap in time slots (e.g. 2 classes will happen both at 9am - see example below)

Here's an example of something very similar:
http://www.city.burnaby.bc.ca/__shared/assets/Leisure_Guide_-_Fitness_-_Seniors_Spring_20063298.gif

I'm trying to decide the best way to do this to allow the client to do all schedule updates.

Thanks,
J