Time difference between Seattle and Sydney

Sydney is 19 hours ahead of Seattle.

United States · Pacific Standard Time

4:29 PM

Wednesday, November 11, 2026

Australia · Australian Eastern Daylight Time

11:29 AM

Thursday, November 12, 2026

Seattle to Sydney 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 Sydney?

Sydney is 19 hours ahead of Seattle. Seattle is on UTC−8 and Sydney is on UTC+11.

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

When it is 9:00 AM in Seattle, it is 4:00 AM the next day in Sydney.

When is the best time to call Sydney from Seattle?

The best time to call or meet is 2:00 PM–6:00 PM in Seattle (9:00 AM–1:00 PM in Sydney), when both places are in normal office hours.

Which days are working days in both Seattle and Sydney?

Both Seattle and Sydney usually work Monday to Friday.

Does the time difference between Seattle and Sydney change?

Yes. Because of daylight saving time, the difference changes on Sunday, March 14, 2027, when Sydney will be 18 hours ahead of Seattle.

Seattle is 19 hours behind Sydney. More: time in Seattle · time in Sydney