Time difference between Seattle and Osaka

Osaka is 17 hours ahead of Seattle.

United States · Pacific Standard Time

4:45 PM

Wednesday, November 11, 2026

Japan · Japan Standard Time

9:45 AM

Thursday, November 12, 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 17 hours ahead of Seattle. Seattle is on UTC−8 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 2:00 AM the next day in Osaka.

When is the best time to call Osaka from Seattle?

The best time to call or meet is 4:00 PM–6:00 PM in Seattle (9:00 AM–11:00 AM in Osaka), when both places are in normal office hours.

Which days are working days in both Seattle and Osaka?

Both Seattle and Osaka usually work Monday to Friday.

Does the time difference between Seattle and Osaka change?

Yes. Because of daylight saving time, the difference changes on Sunday, March 14, 2027, when Osaka will be 16 hours ahead of Seattle.

Seattle is 17 hours behind Osaka. More: time in Seattle · time in Osaka