Subscribe/Unsubscribe Calendars on your iPhone or iPad

How to add calendar subscriptions to your iPhone or iPad

Visit the calendar page
Tap and hold on the Subscribe button for your chosen calendar. A pop up will come up, tap on Copy.
Next, open Settings > Accounts & Passwords > Add Account > Other > Add Subscribed Calendar
Paste the link you copied where it asks for Server and tap Next.
Tap Save. (You don't need a username or password because this is a public calendar).

Unsubscribe from a calendar on your iPhone or iPad:

  1. Tap Settings > Accounts & Passwords > Subscribed Calendars.
  2. Tap Subscribed Calendars, and then tap the calendar that you want to delete.
  3. Tap Delete Account, and then tap Delete Account again to confirm.
  4. The calendar subscription is removed.