It works best to subscribe to a calendar using a computer.
Find the calendar on our website that you want to subscribe to.
Find the Link at the bottom right side of the calendar, and click the Link.
If you are not logged into your Google Account, you will be asked to log in.
The calendar will be added to your calendar list.
On your Android device that is synced to your Google Account, verify that Sync Calendars is selected in Settings.