Time difference between Osaka and Seattle

Seattle is 17 hours behind Osaka.

Japan · Japan Standard Time

9:45 AM

Thursday, November 12, 2026

United States · Pacific Standard Time

4:45 PM

Wednesday, November 11, 2026

Osaka to Seattle time converter

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

What is the time difference between Osaka and Seattle?

Seattle is 17 hours behind Osaka. Osaka is on UTC+9 and Seattle is on UTC−8.

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

When it is 9:00 AM in Osaka, it is 4:00 PM the previous day in Seattle.

When is the best time to call Seattle from Osaka?

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

Which days are working days in both Osaka and Seattle?

Both Osaka and Seattle usually work Monday to Friday.

Does the time difference between Osaka and Seattle change?

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

Osaka is 17 hours ahead of Seattle. More: time in Osaka · time in Seattle