In the Calendar app on your Mac, choose Calendar > Preferences, then click Advanced. Select “Turn on time zone support.” Click the pop-up menu to the left of the Calendar search field, then choose a time zone. To choose a time zone that isn’t listed, choose Other.

In the iPhone calendar app when you add an event it lets you choose what calendar you want that event for. Is there any way to add that event to multiple calendars or would you just have to do two events seperatly? P.S. I already tried searching and found plenty of information on syncing multiple ...