Sydney to Seattle time converter

Seattle is 18 hours behind Sydney. When it is 9:00 AM in Sydney, it is 3:00 PM (Fri, Oct 16) in Seattle.

Sydney AEDT

Saturday, October 17, 2026

Seattle PDT

Friday, October 16, 2026

Sydney
New South Wales, Australia
Sat, Oct 17
AEDTUTC+11
Seattle
Washington, United States
Fri, Oct 16
PDTUTC-7-18h
Finding your time zone…
Shared working hours (9:00–18:00)

Sydney to Seattle conversion table

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

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

Best time to call or meet

Both sides are at work from 9:00 AM – 12:00 PM in Sydney (3:00 PM – 6:00 PM in Seattle).

Daylight saving time and the difference

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

  • Oct 17, 2026 – Nov 1, 2026: -18h
  • Nov 1, 2026 – Mar 14, 2027: -19h
  • Mar 14, 2027 – Apr 4, 2027: -18h
  • Apr 4, 2027 – Oct 3, 2027: -17h
  • Oct 3, 2027 – Oct 17, 2027: -18h

Distance

Sydney and Seattle are 12,470 km (7,748 miles) apart in a straight line.

More conversions

Seattle to SydneySydney to New YorkSydney to LondonSydney to Los AngelesSydney to ChicagoSydney to TorontoSydney to São PauloSydney to ParisSydney to BerlinSydney to MoscowSydney to DubaiSydney to New DelhiSydney 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 Sydney and Seattle?

Seattle is 18 hours behind Sydney.

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

When it is 9:00 AM in Sydney, it is 3:00 PM (Fri, Oct 16) in Seattle.

When is the best time to call Seattle from Sydney?

Both sides are at work from 9:00 AM – 12:00 PM in Sydney (3:00 PM – 6:00 PM in Seattle).

Does the time difference between Sydney 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.