Calendar Items – Need a country/time zone combo

When I am in Sydney and want to make a 9AM appointment (New York time) it should be as simple as choosing [9am] [New York] Currently I have to work it backwards and enter it in Sydney time. All I need is a “Time Zone” combo. The crazy thing is if you cycle through the properties of a calendar item the “Time Zone” value is there – it is just not exposed on the UI. Even when I reply to an appointment I can see both time zones! As an example I get:

Webinar:    .NET Enterprise Services Essentials
Time:       Thursday, April 17, 2003, 11:00 a.m. PDT (2:00 p.m. EST)
Duration:   One hour, including a Q&A
Figure: Add a "Time Zone" combo box here

Figure: Add a “Time Zone” combo box here