Sydney to Mercer Island time converter

Mercer Island is 18 hours behind Sydney. When it is 9:00 AM in Sydney, it is 3:00 PM (Tue, Oct 20) in Mercer Island.

Sydney AEDT

Wednesday, October 21, 2026

Mercer Island PDT

Tuesday, October 20, 2026

Sydney
New South Wales, Australia
Wed, Oct 21
AEDTUTC+11
Mercer Island
Washington, United States
Tue, Oct 20
PDTUTC-7-18h
Finding your time zone…
Shared working hours (9:00–18:00)

Sydney to Mercer Island conversion table

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

SydneyMercer Island
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 Mercer Island).

Daylight saving time and the difference

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

  • Oct 21, 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 21, 2027: -18h

Distance

Sydney and Mercer Island are 12,476 km (7,752 miles) apart in a straight line.

More conversions

Mercer Island 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 Mercer IslandLondon to Mercer IslandLos Angeles to Mercer IslandChicago to Mercer IslandToronto to Mercer IslandSão Paulo to Mercer IslandParis to Mercer IslandBerlin to Mercer IslandMoscow to Mercer IslandDubai to Mercer IslandNew Delhi to Mercer IslandBangkok to Mercer Island

Questions and answers

What is the time difference between Sydney and Mercer Island?

Mercer Island is 18 hours behind Sydney.

What time is it in Mercer Island when it is 9 AM in Sydney?

When it is 9:00 AM in Sydney, it is 3:00 PM (Tue, Oct 20) in Mercer Island.

When is the best time to call Mercer Island from Sydney?

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

Does the time difference between Sydney and Mercer Island change?

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