Follow the steps below to setup Google Calendars on your iPhone, iPad, or iPod Touch.
1. Open the
Settings application on your device's home screen.
2. Open
Mail, Contacts, Calendars.3. Press
Add Account....
4. Select
Microsoft Exchange. iOS 4.0+ allows multiple Exchange accounts. However, if you're on a device that doesn't let you add a second account, you could also use CalDAV to sync Google Calendar.

Enter Account Info
5.
Email: your Cabrillo College email address6.
Domain: cabrillo.edu
7.
Username: your Cabrillo College
email address8.
Password: the password you use for your Cabrillo College account
9. Tap
Next at the top of your screen.
9a. Choose
Cancel if the
Unable to Verify Certificate dialog appears.
10. When the new
Server field appears, enter
m.google.com.
11. Press
Next at the top of your screen again.

12.
Select only Google Calendars (Turn any other areas to OFF).
You've set up Google Calendars! Synchronization will begin automatically if you have Push enabled on your device. You can also open the Calendar app and wait a few seconds to start a sync.