Show or hide the Holidays calendar on Mac
The Holidays calendar displays holidays based on your computer’s region.
Note: The Holidays calendar is a subscription calendar. You can’t add or delete holidays in the Holidays calendar, because subscription calendars can be modified only by the calendar provider.
Show or hide holidays
In the Calendar app on your Mac, choose Calendar > Preferences, then click General.
Select or deselect “Show Holidays calendar.”
Change the region used for the Holidays calendar
You can change your computer’s region to display different holidays.
On your Mac, choose Apple menu > System Preferences, click Language & Region, then choose your region.
In the Calendar app on your Mac, choose Calendar > Preferences, then click General.
Deselect “Show Holidays calendar,” then select it again.