Your Calendar only shows the items that are assigned to you. An item is assigned to you when you are the manager of the property related to the event, or if an event has been delegated to you.
To see other user’s items, click on the Global Calendar option and choose which users’ calendars you want to view. The events will show the user they belong to. Delegated items show against the owner user, not the delegate.
Selecting Users to view the global calendar for:
To add or remove other User's Calendars:
• Add a User - Click in the box and a list of names will be shown
• Remove a User - Click the X next to a name and it will be removed
• See All Users - Click Include All
• Remove All Users - Click Clear
Click on the Refresh Calendar button to update the Calendar with your new users.