Rated 5 out of 5 stars

by ytifle on Oct. 14, 2014 · permalink

You could also use CalDAV to sync the calendar with google calendars.

https://blog.mozilla.org/calendar/2013/09/google-is-changing-the-location-url-of-their-caldav-calendars/

Just follow that instructions, login, and it's working. (Bidirectional sync, not just for downloading, but be sure to pick the right calendar when creating events).