Antioch to Sydney time converter

Sydney is 18 hours ahead of Antioch. When it is 9:00 AM in Antioch, it is 3:00 AM (Sat, Oct 17) in Sydney.

Antioch PDT

Friday, October 16, 2026

Sydney AEDT

Saturday, October 17, 2026

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

Antioch to Sydney conversion table

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

AntiochSydney
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 Antioch (9:00 AM – 12:00 PM in Sydney).

Daylight saving time and the difference

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

  • Oct 16, 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 16, 2027: +18h

Distance

Antioch and Sydney are 12,007 km (7,461 miles) apart in a straight line.

More conversions

Sydney to AntiochAntioch to New YorkAntioch to LondonAntioch to Los AngelesAntioch to ChicagoAntioch to TorontoAntioch to São PauloAntioch to ParisAntioch to BerlinAntioch to MoscowAntioch to DubaiAntioch to New DelhiAntioch 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 Antioch and Sydney?

Sydney is 18 hours ahead of Antioch.

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

When it is 9:00 AM in Antioch, it is 3:00 AM (Sat, Oct 17) in Sydney.

When is the best time to call Sydney from Antioch?

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

Does the time difference between Antioch 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.