When needing to share your calendar with someone else. You can also grant them access to edit/add events to your calendar.
Sharing Your Calendar
- While logged into Google Calendar click on the "Gear" icon located at the top right of the window.
- Click on "settings"
- You should now be on the settings page. In the left column click on the calendar you wish to share. Click on "Share with specific people"
- Add the User you wish to have access to your calendar and set the appropriate permission.