Union City to Sydney time converter

Sydney is 18 hours ahead of Union City. When it is 9:00 AM in Union City, it is 3:00 AM (Tue, Oct 20) in Sydney.

Union City PDT

Monday, October 19, 2026

Sydney AEDT

Tuesday, October 20, 2026

Union City
California, United States
Mon, Oct 19
PDTUTC-7
Sydney
New South Wales, Australia
Tue, Oct 20
AEDTUTC+11+18h
Finding your time zone…
Shared working hours (9:00–18:00)

Union City to Sydney conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

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

  • Oct 19, 2026 – Nov 1, 2026: +18h
  • Nov 1, 2026 – Mar 14, 2027: +19h
  • Mar 14, 2027 – Apr 3, 2027: +18h
  • Apr 3, 2027 – Oct 2, 2027: +17h
  • Oct 2, 2027 – Oct 19, 2027: +18h

Distance

Union City and Sydney are 11,969 km (7,437 miles) apart in a straight line.

More conversions

Sydney to Union CityUnion City to New YorkUnion City to LondonUnion City to Los AngelesUnion City to ChicagoUnion City to TorontoUnion City to São PauloUnion City to ParisUnion City to BerlinUnion City to MoscowUnion City to DubaiUnion City to New DelhiUnion City to Bangkok
New York to SydneyLondon to SydneyLos Angeles to SydneyChicago to SydneyToronto to SydneySão Paulo to SydneyParis to SydneyBerlin to SydneyMoscow to SydneyDubai to SydneyNew Delhi to SydneyBangkok to Sydney

Questions and answers

What is the time difference between Union City and Sydney?

Sydney is 18 hours ahead of Union City.

What time is it in Sydney when it is 9 AM in Union City?

When it is 9:00 AM in Union City, it is 3:00 AM (Tue, Oct 20) in Sydney.

When is the best time to call Sydney from Union City?

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

Does the time difference between Union City and Sydney change?

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