Best overlap: 5:00 PM to 6:00 PM in Portland is 8:00 AM to 9:00 AM in Bangkok.
For the smoothest call, aim inside 5:00 PM to 6:00 PM in Portland, i.e. 8:00 AM to 9:00 AM in Bangkok. The overlap barely stretches to 1 hour, so reserve it for what really needs a live conversation and handle the rest async. Mind the calendar: when you pick a time, Bangkok will be on the next day compared with Portland. For part of the year the maths changes: Portland observes daylight saving, Bangkok does not, shifting the overlap by an hour.
Working from anywhere is great until you realize your 10 AM sync is now at 2 AM. Here's how to manage your schedule, set boundaries, and keep your team in the loop while traveling the world. -