The following instructions explain step by step how to sync Google calendar with iCal. The Google calendar is well-suited to synchronize events between devices with different platforms such as Android and Mac. You can see in iCal on the Macbook and edit events. All you need is your Apple device and the access data for the Google Account
Sync Google calendar with iCal
In a few steps you have all your appointments in Apple calendar. Work through the following points successively:
Open the iCal or calendar App
Click in the menu bar, click "calendar" and then on "add Account".
Select at this point "Google" and click on the Button "Continue".
Log in, then in Google and click on "Accept".
Here you can select "calendar" and click on "Finish".
Which calendars to sync with iCal?
By default, only the main calendar is synced in iCal. However, you can also set other additional calendar for synchronization.