To share a calendar:
1) Click the Preferences link in the top right corner of your account screen
2) Click Calendar Sharing from the Calendar section
3) SimpleClick™ or type the username or email address of the person you are sharing with into the insert field of the appropriate access level.
Note: Calendars can be shared with both members and non-members
4) Press the Enter key or click the Insert button to add the user to your shared list
5) Click the Save button