Set up a repeating event
Specify how often a Calendar event repeats and when it stops repeating.
Double-click or force click the event to view event details, then click the event’s time. (You can also select an event, then use the Touch Bar.)
Click the Repeat pop-up menu, then choose an option.
To set the event to repeat on a schedule not included in the menu, choose Custom.
Click the End Repeat pop-up menu, then choose when to stop the event.