Subscribe to calendar feed in Google Calendar (for most Android devices)
From your gmail calendar:
1. Click the down-arrow next to Other calendars
2. Select Add a friend's calendar
4. Click Add
5. The calendar will appear in the Other calendars section of the calendar list to the left.
Subscribe to calendar feed in iCalendar format (Apple iCal)
1. In Settings, select Mail, Contacts, Calendars.
2. Then select Add and chose Other.
3. Then select Add Subscribed Calendar.
4. You'll need to enter this link (copy and paste or type in) next to Server
https://www.google.com/calendar/ical/weebolts%40gmail.com/public/basic.ics
5. One the next screen, you can give any Description you'd like. You do not need to enter a User Name or Password. Select Off for Use SSL.
6. Select Save and you're all set!