Sydney to Antioch time converter

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

Sydney AEDT

Saturday, October 17, 2026

Antioch PDT

Friday, October 16, 2026

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

Sydney to Antioch conversion table

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

SydneyAntioch
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 Antioch).

Daylight saving time and the difference

The difference changes during the year because Sydney and Antioch 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 Antioch are 12,007 km (7,461 miles) apart in a straight line.

More conversions

Antioch 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 AntiochLondon to AntiochLos Angeles to AntiochChicago to AntiochToronto to AntiochSão Paulo to AntiochParis to AntiochBerlin to AntiochMoscow to AntiochDubai to AntiochNew Delhi to AntiochBangkok to Antioch

Questions and answers

What is the time difference between Sydney and Antioch?

Antioch is 18 hours behind Sydney.

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

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

When is the best time to call Antioch from Sydney?

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

Does the time difference between Sydney and Antioch change?

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