Sydney to Petaluma time converter

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

Sydney AEDT

Monday, October 19, 2026

Petaluma PDT

Monday, October 19, 2026

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

Sydney to Petaluma conversion table

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

SydneyPetaluma
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 Petaluma).

Daylight saving time and the difference

The difference changes during the year because Sydney and Petaluma 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 Petaluma are 11,956 km (7,429 miles) apart in a straight line.

More conversions

Petaluma 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 PetalumaLondon to PetalumaLos Angeles to PetalumaChicago to PetalumaToronto to PetalumaSão Paulo to PetalumaParis to PetalumaBerlin to PetalumaMoscow to PetalumaDubai to PetalumaNew Delhi to PetalumaBangkok to Petaluma

Questions and answers

What is the time difference between Sydney and Petaluma?

Petaluma is 18 hours behind Sydney.

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

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

When is the best time to call Petaluma from Sydney?

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

Does the time difference between Sydney and Petaluma change?

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