Sydney to Tri-Cities time converter

Tri-Cities is 18 hours behind Sydney. When it is 9:00 AM in Sydney, it is 3:00 PM (Sun, Oct 18) in Tri-Cities.

Sydney AEDT

Monday, October 19, 2026

Tri-Cities PDT

Sunday, October 18, 2026

Sydney
New South Wales, Australia
Mon, Oct 19
AEDTUTC+11
Tri-Cities
Washington, United States
Sun, Oct 18
PDTUTC-7-18h
Finding your time zone…
Shared working hours (9:00–18:00)

Sydney to Tri-Cities conversion table

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

SydneyTri-Cities
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 Tri-Cities).

Daylight saving time and the difference

The difference changes during the year because Sydney and Tri-Cities switch clocks on different dates:

  • Oct 19, 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 19, 2027: -18h

Distance

Sydney and Tri-Cities are 12,619 km (7,841 miles) apart in a straight line.

More conversions

Tri-Cities 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 Tri-CitiesLondon to Tri-CitiesLos Angeles to Tri-CitiesChicago to Tri-CitiesToronto to Tri-CitiesSão Paulo to Tri-CitiesParis to Tri-CitiesBerlin to Tri-CitiesMoscow to Tri-CitiesDubai to Tri-CitiesNew Delhi to Tri-CitiesBangkok to Tri-Cities

Questions and answers

What is the time difference between Sydney and Tri-Cities?

Tri-Cities is 18 hours behind Sydney.

What time is it in Tri-Cities when it is 9 AM in Sydney?

When it is 9:00 AM in Sydney, it is 3:00 PM (Sun, Oct 18) in Tri-Cities.

When is the best time to call Tri-Cities from Sydney?

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

Does the time difference between Sydney and Tri-Cities change?

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