Alameda to Sydney time converter

Sydney is 18 hours ahead of Alameda. When it is 9:00 AM in Alameda, it is 3:00 AM (Mon, Oct 19) in Sydney.

Alameda PDT

Sunday, October 18, 2026

Sydney AEDT

Monday, October 19, 2026

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

Alameda to Sydney conversion table

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

AlamedaSydney
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 Alameda (9:00 AM – 12:00 PM in Sydney).

Daylight saving time and the difference

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

  • Oct 18, 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 18, 2027: +18h

Distance

Alameda and Sydney are 11,960 km (7,432 miles) apart in a straight line.

More conversions

Sydney to AlamedaAlameda to New YorkAlameda to LondonAlameda to Los AngelesAlameda to ChicagoAlameda to TorontoAlameda to São PauloAlameda to ParisAlameda to BerlinAlameda to MoscowAlameda to DubaiAlameda to New DelhiAlameda 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 Alameda and Sydney?

Sydney is 18 hours ahead of Alameda.

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

When it is 9:00 AM in Alameda, it is 3:00 AM (Mon, Oct 19) in Sydney.

When is the best time to call Sydney from Alameda?

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

Does the time difference between Alameda 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.