If you create an event on Google Calendar, you can select the timezone. You can even use separate timezones for the start and end times. I have never had an iss

If you create an event on Google Calendar, you can select the timezone. You can even use separate timezones for the start and end times. I have never had an issue with it. Also, we use Basecamp at work. It's dead simple to find the timezone of a remote coworker. Just click on their avatar and it will tell you.