View Google Calendar While Remaining Offline

Just like Gmail, now Google calendar can also be viewed offline. You can view the calendar but can’t edit something in it.To enable offline Calendar access, sign in to Google Calendar and look for the “Offline Beta” link in the upper right-hand corner of your account, next to your username.

If you are still having some doubts, you can click here.If you access Calendar through the Premier or Education Editions of Google Apps, your domain administrator will first have to elect to turn on new features from the Domain Settings page of the Google Apps control panel.