2) Hover over the calendar you wish to share, click on the options tab and select the Settings and sharing option
3) Under the tab Share with specific people, click on Add people option. Type down the email address(having the same domain) of the user(s) you wish to share this calendar with and hit enter.
Set the permissions you wish to have for this user(s) and click on the Share button.
Once the calendar is shared by you, it is added automatically to the shared user's Calendars list and the user receives an email informing them about the shared calendar!
Feel free to knock on our door by writing to us at firstname.lastname@example.org in case you need any assistance with sharing your calendar on Titan.