An Outlook for Mac user wanted to know if it was possible to display multiple time zones in the Outlook Calendar, like you can in the Windows version.
Unfortunately, currently Outlook for Mac does not support multiple time zones in the calendar.
If you use Outlook for Mac and would like the ability to display multiple time zones on the day or week calendar, vote for the suggestion at Outlook Uservoice. There are a number of suggestions there for this feature but this entry has the most votes: Viewing Different Timezones for the Calendar. The suggestions with the most votes have the best chance of being considered for new features - if you want this feature, go vote!