Time difference between Seattle and Tokyo

Tokyo is 16 hours ahead of Seattle.

United States · Pacific Daylight Time

12:42 AM

Wednesday, October 21, 2026

Japan · Japan Standard Time

4:42 PM

Wednesday, October 21, 2026

Seattle to Tokyo time converter

Green rows are office hours in both places; light green rows are when both are awake.

What is the time difference between Seattle and Tokyo?

Tokyo is 16 hours ahead of Seattle. Seattle is on UTC−7 and Tokyo is on UTC+9.

What time is it in Tokyo when it is 9 AM in Seattle?

When it is 9:00 AM in Seattle, it is 1:00 AM the next day in Tokyo.

When is the best time to call Tokyo from Seattle?

The best time to call or meet is 5:00 PM–6:00 PM in Seattle (9:00 AM–10:00 AM in Tokyo), when both places are in normal office hours.

Does the time difference between Seattle and Tokyo change?

Yes. Because of daylight saving time, the difference changes on Sunday, November 1, 2026, when Tokyo will be 17 hours ahead of Seattle.

Seattle is 16 hours behind Tokyo. More: time in Seattle · time in Tokyo