For iPhone (iOS):
Obtain the iCal Feed URL: Listed here
Open Settings:
  - Go to your iPhone’s home screen and tap on the “Settings” app.
 
Navigate to Calendar:
  - Scroll down and tap on “Calendar.”
 
Add Account:
  - Tap on “Accounts” then “Add Account.”
 
Choose Other:
  - Select “Other” from the list of account types.
 
Add Subscribed Calendar:
  - Tap on “Add Subscribed Calendar.”
 
Enter the iCal Feed URL:
  - In the “Server” field, paste the iCal feed URL you obtained.
 
  - You can also enter a description for the calendar if you like.
 
Save and Sync:
  - Tap “Next” and then “Save” to add the calendar. Your iPhone will start syncing the calendar events.
 
For Android:
Obtain the iCal Feed URL: Listed here
Open Calendar App:
  - Open the Google Calendar app (or any calendar app you use that supports iCal feeds).
 
Add New Calendar:
  - Google Calendar:
    
      - Go to the Google Calendar website on a desktop (Android apps don’t support adding iCal URLs directly).
 
      - On the left sidebar, find “Other calendars” and click the “+” button.
 
      - Select “From URL” and paste the iCal URL.
 
      - Click “Add Calendar” to import it.
 
    
   
  - Other Calendar Apps:
    
      - Check the app’s settings or options for adding a calendar feed. Look for terms like “Subscribe to Calendar,” “Add Calendar,” or “Import Calendar.”
 
    
   
Sync with Your Phone:
  - Once the calendar is added via the desktop or app, make sure your phone’s calendar sync settings are enabled to see the new events on your device.