Best overlap: 8:00 AM to 10:00 AM in Seattle is 4:00 PM to 6:00 PM in Edinburgh.
Seattle and Edinburgh overlap from 8:00 AM to 10:00 AM (Seattle) to the equivalent 4:00 PM to 6:00 PM in Edinburgh — that's your meeting window. Edinburgh is 8 hours ahead of Seattle, which leaves a narrow 2-hour window. Treat 8:00 AM in Seattle (4:00 PM in Edinburgh) as the time and build around it.
| Local time | 12am | 1am | 2am | 3am | 4am | 5am | 6am | 7am | 8am | 9am | 10am | 11am | 12pm | 1pm | 2pm | 3pm | 4pm | 5pm | 6pm | 7pm | 8pm | 9pm | 10pm | 11pm |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Seattle America/Los Angeles | ||||||||||||||||||||||||
Edinburgh Europe/London |
London to New York is five hours apart, except for the five weeks a year when it isn't. Exact overlap windows for every US zone, the 2026 DST mismatch dates, and where to put the recurring sync. -
Mental gymnastics to figure out what time it is in Tokyo? You're doing it wrong. Here's why your team needs a visual time zone board, not a calculator. -