Enable Advanced Scheduling to enable configuring periods.

1. Go to the Classes tab.

2. Click on the Schedule tab.

3. Click on the gear icon next to Configure Periods.

1. At the bottom, you can select Add New Period.

2. You can enter the Period Number, Description, Start Time, and End Time.

3. On the right is where you can delete a period. Note: If a class is already using the period, you will not be able to delete.

4. On the left is where you can re-order the periods. 

5. When the changes are completed, don't forget to click on Save.