It works for humans too. My company (global workforce) does something like this where every conversation about time is in UTC by default, and it works great. E

It works for humans too. My company (global workforce) does something like this where every conversation about time is in UTC by default, and it works great. Each person only has to remember how to convert between their local time and UTC. I can easily say, "I'm free tomorrow from 13:00-17:00," and my teammate can say, "OK. My day ends at 15:00, so let's meet at 13:30." There are a few time zones that rarely overlap, but usually, if you pick two times, you can cover just about everybody. The only frustrating thing is that Google Calendar won't let you set your calendar to UTC. You can set it to GMT and rename it, but the event will still move on the calendar based on when daylight saving time starts or ends for the person who set it, whether they want it to or not, and even if that means your recurring meeting shifts for an hour for the other person for a few weeks.