9.4. How to add a subscribed local calendar

To add a subscribed local calendar you should do the following:  

1. Launch iOS Settings app   .       
2. Go to Accounts&Passwords section.
3. Tap Add Account.
4. Tap Other.
5. Tap on Add Subscribed Calendar under the Other section.
6. Enter a server location of the calendar. Usually it's a web address that ends in .ics  
7. Tap Next and then Save.
8. Launch Calendars 5 and tap  .
9. Go to Local Calendars settings menu and make sure that the toggle is enabled there.

            

N.B. You can also subscribe to an .ics calendar by tapping on a link to the calendar in the email or text message.