🇯🇵 Tokyo ↔ 🇺🇸 Seattle

Tokyo is usually 16 hours ahead of Seattle. Seattle observes daylight saving time and Tokyo does not, so the difference shifts by an hour around the changeovers.

Sunrise 4:27 AMSunset 7:01 PM(local)

Sunrise 5:13 AMSunset 9:12 PM(local)

Seattle: daylight saving timeNow UTC-7 PDT. Next change: November 1, 2026 — clocks go back 1 hour.
TokyoUTC+9
SeattleUTC-7PDT

🇯🇵 Tokyo

Dialing code+81
Population9,733,276
Coordinates35.69°N, 139.69°E
Elevation44 m

🇺🇸 Seattle

Dialing code+1
Population780,995
Coordinates47.61°N, 122.33°W
Elevation56 m

Best time for a call: 09:00–10:00 in TokyoAdd to calendar

Working hours assumed 9:00–18:00.

Frequently asked questions

What is the time difference between Tokyo and Seattle?
Tokyo is 16 hours ahead of Seattle. Use the side-by-side clocks and the day/night strips above to convert any hour between them.
When is the best time to call between Tokyo and Seattle?
The best window to call is 09:00–10:00 Tokyo time, when working hours overlap in both cities. Pick an hour on the strips to add it to your calendar.
Why does the time difference between Tokyo and Seattle change?
Because at least one of Tokyo and Seattle observes daylight saving time, the difference shifts by an hour when one city changes its clocks and the other has not yet (or does not).