MacOS X Calendar knows time zones!

Just discovered a great feature of Apple's Calendar application - you can add an appointment with a time in another time zone and it converts to local for you. Create a quick event with a time zone:

And it gets added to your calendar in local time:

I can't tell you how many times I've messed around figuring out when a keynote will be in local time.

Apple software often looks simple, but is really deep.