Reload now. Once this is done, your Google Calendar will be synced for offline use. As soon as the sync is complete, your calendar's status will show ‘Ready for offline'. And when you are using the Google Calendar offline, a notice appears that reads: “It looks like you're offline. Some actions might not work”. According to the Google Calendar support page, you won't be able to create or edit events, e-mail guests, and access tasks or reminders while using the Google Calendar offline. It is also worth noting that the offline support for Google Calendar will be cleared if you clear your ...