Perth to Seattle time converter

Seattle is 15 hours behind Perth. When it is 9:00 AM in Perth, it is 6:00 PM (Fri, Oct 16) in Seattle.

Perth AWST

Saturday, October 17, 2026

Seattle PDT

Saturday, October 17, 2026

Perth
Western Australia, Australia
Sat, Oct 17
AWSTUTC+8
Seattle
Washington, United States
Sat, Oct 17
PDTUTC-7-15h
Finding your time zone…
Shared working hours (9:00–18:00)

Perth to Seattle conversion table

Every hour of today in Perth and the matching time in Seattle. Light rows are typical working hours (9:00–18:00).

PerthSeattle
12:00 AM9:00 AM−1 day
1:00 AM10:00 AM−1 day
2:00 AM11:00 AM−1 day
3:00 AM12:00 PM−1 day
4:00 AM1:00 PM−1 day
5:00 AM2:00 PM−1 day
6:00 AM3:00 PM−1 day
7:00 AM4:00 PM−1 day
8:00 AM5:00 PM−1 day
9:00 AM6:00 PM−1 day
10:00 AM7:00 PM−1 day
11:00 AM8:00 PM−1 day
12:00 PM9:00 PM−1 day
1:00 PM10:00 PM−1 day
2:00 PM11:00 PM−1 day
3:00 PM12:00 AM
4:00 PM1:00 AM
5:00 PM2:00 AM
6:00 PM3:00 AM
7:00 PM4:00 AM
8:00 PM5:00 AM
9:00 PM6:00 AM
10:00 PM7:00 AM
11:00 PM8:00 AM

Best time to call or meet

Working hours don't overlap fully. The closest fit is 7:00 AM – 9:00 AM in Perth (4:00 PM – 6:00 PM in Seattle): working hours on one side, early or late on the other.

Daylight saving time and the difference

The difference changes during the year because Perth and Seattle switch clocks on different dates:

  • Oct 17, 2026 – Nov 1, 2026: -15h
  • Nov 1, 2026 – Mar 14, 2027: -16h
  • Mar 14, 2027 – Oct 17, 2027: -15h

Distance

Perth and Seattle are 14,880 km (9,246 miles) apart in a straight line.

More conversions

Seattle to PerthPerth to New YorkPerth to LondonPerth to Los AngelesPerth to ChicagoPerth to TorontoPerth to São PauloPerth to ParisPerth to BerlinPerth to MoscowPerth to DubaiPerth to New DelhiPerth to Bangkok
New York to SeattleLondon to SeattleLos Angeles to SeattleChicago to SeattleToronto to SeattleSão Paulo to SeattleParis to SeattleBerlin to SeattleMoscow to SeattleDubai to SeattleNew Delhi to SeattleBangkok to Seattle

Questions and answers

What is the time difference between Perth and Seattle?

Seattle is 15 hours behind Perth.

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

When it is 9:00 AM in Perth, it is 6:00 PM (Fri, Oct 16) in Seattle.

When is the best time to call Seattle from Perth?

Working hours don't overlap fully. The closest fit is 7:00 AM – 9:00 AM in Perth (4:00 PM – 6:00 PM in Seattle): working hours on one side, early or late on the other.

Does the time difference between Perth and Seattle change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.