Global Event Agenda

I am looking for help to select times for setting-up a global virtual event. I am trying to accommodate both NA and UK time zones when possible. Is the only option to have two events running at the same time - or does anyone have suggestion or example agendas they have used?

We did this in June with our event SEE. We went for 1:30 PM CEST (so 12:30 PM BST) and I think that it was like 7:30 AM for the east coast (which is where most of our customers are). The event ran for about 4 hours and people could just join whenever they wanted. Hope this helps somewhat @casey