You can view iCloud calendar events from Team Calendars in a few easy steps.

Subscribe to Apple Calendar from Team Calendars

Set up iCloud on your Mac to subscribe to iCloud calendars. In Apple Calendar on your Mac:

1. From the Calendars list, select a calendar under iCloud.
2. Select the Share Calendar button 
3. Copy the URL (it will only appear if Public Calendar is selected).

In Confluence:  

1. Select Calendars from the Confluence header or space sidebar (to add the calendar in a space).
2. Select  next to Add Calendar and choose Subscribe By URL.
3. Enter the Name of the calendar and the URL you copied. You will need to change webcal to http or https at the beginning of the link. If necessary, enter your username and password credentials for the calendar. Then select Subscribe.