Santa Rosa to Sydney time converter

Sydney is 18 hours ahead of Santa Rosa. When it is 9:00 AM in Santa Rosa, it is 3:00 AM (Thu, Oct 22) in Sydney.

Santa Rosa PDT

Wednesday, October 21, 2026

Sydney AEDT

Thursday, October 22, 2026

Santa Rosa
California, United States
Wed, Oct 21
PDTUTC-7
Sydney
New South Wales, Australia
Thu, Oct 22
AEDTUTC+11+18h
Finding your time zone…
Shared working hours (9:00–18:00)

Santa Rosa to Sydney conversion table

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

Santa RosaSydney
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 Santa Rosa (9:00 AM – 12:00 PM in Sydney).

Daylight saving time and the difference

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

  • Oct 21, 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 21, 2027: +18h

Distance

Santa Rosa and Sydney are 11,962 km (7,433 miles) apart in a straight line.

More conversions

Sydney to Santa RosaSanta Rosa to New YorkSanta Rosa to LondonSanta Rosa to Los AngelesSanta Rosa to ChicagoSanta Rosa to TorontoSanta Rosa to São PauloSanta Rosa to ParisSanta Rosa to BerlinSanta Rosa to MoscowSanta Rosa to DubaiSanta Rosa to New DelhiSanta Rosa 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 Santa Rosa and Sydney?

Sydney is 18 hours ahead of Santa Rosa.

What time is it in Sydney when it is 9 AM in Santa Rosa?

When it is 9:00 AM in Santa Rosa, it is 3:00 AM (Thu, Oct 22) in Sydney.

When is the best time to call Sydney from Santa Rosa?

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

Does the time difference between Santa Rosa 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.