Symptoms

User is unable to add an Office 365 Calendar to Team Calendars for Confluence.

Cause

Microsoft uses a non standard set of Time Zones that the Team Calendars for Confluence can not parse.

list of time zones

Resolution

Currently Team Calendars for Confluence does not support Office 365 Calendars, please comment and vote on the following feature request: 

• CONFSERVER-49665 - Error from subscribing to Office 365 Calendar