You can share your calendar with other users to allow them to view when you are available and to help with scheduling meetings. You can also set permission levels depending on how much information from your calendar you want other users to be able to view
Click Calendar in the navigation bar at the top right of the screen
Click Share at the top right of the screen
Enter the name of the person you want to share your calendar with into the Share with search bar and click on the contact name
You may have to search the Directory by clicking on Search Contacts & Directory if the contact details do not appear automatically
Once the contact is identified, choose the sharing permission level you would like to assign to the contact from the five options in the drop down list. Permission levels are explained on the Calendar permission levels page
The person you share your calendar with will receive a notification email. They can choose to add your calendar to their list of other calendars and also share their calendar back with you