Time difference between Seattle and Osaka

Osaka is 16 hours ahead of Seattle.

United States · Pacific Daylight Time

12:41 AM

Wednesday, October 21, 2026

Japan · Japan Standard Time

4:41 PM

Wednesday, October 21, 2026

Seattle to Osaka 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 Osaka?

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

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

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

When is the best time to call Osaka 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 Osaka), when both places are in normal office hours.

Does the time difference between Seattle and Osaka change?

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

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