San Diego to Sydney time converter

Sydney is 17 hours ahead of San Diego. When it is 9:00 AM in San Diego, it is 2:00 AM (Thu, Oct 22) in Sydney.

San Diego CST

Wednesday, October 21, 2026

Sydney AEDT

Thursday, October 22, 2026

San Diego
Costa Rica
Wed, Oct 21
CSTUTC-6
Sydney
New South Wales, Australia
Thu, Oct 22
AEDTUTC+11+17h
Finding your time zone…
Shared working hours (9:00–18:00)

San Diego to Sydney conversion table

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

San DiegoSydney
12:00 AM5:00 PM
1:00 AM6:00 PM
2:00 AM7:00 PM
3:00 AM8:00 PM
4:00 AM9:00 PM
5:00 AM10:00 PM
6:00 AM11:00 PM
7:00 AM12:00 AM+1 day
8:00 AM1:00 AM+1 day
9:00 AM2:00 AM+1 day
10:00 AM3:00 AM+1 day
11:00 AM4:00 AM+1 day
12:00 PM5:00 AM+1 day
1:00 PM6:00 AM+1 day
2:00 PM7:00 AM+1 day
3:00 PM8:00 AM+1 day
4:00 PM9:00 AM+1 day
5:00 PM10:00 AM+1 day
6:00 PM11:00 AM+1 day
7:00 PM12:00 PM+1 day
8:00 PM1:00 PM+1 day
9:00 PM2:00 PM+1 day
10:00 PM3:00 PM+1 day
11:00 PM4:00 PM+1 day

Best time to call or meet

Both sides are at work from 4:00 PM – 6:00 PM in San Diego (9:00 AM – 11:00 AM in Sydney).

Daylight saving time and the difference

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

  • Oct 21, 2026 – Apr 3, 2027: +17h
  • Apr 3, 2027 – Oct 2, 2027: +16h
  • Oct 2, 2027 – Oct 21, 2027: +17h

Distance

San Diego and Sydney are 13,814 km (8,584 miles) apart in a straight line.

More conversions

Sydney to San DiegoSan Diego to New YorkSan Diego to LondonSan Diego to Los AngelesSan Diego to ChicagoSan Diego to TorontoSan Diego to São PauloSan Diego to ParisSan Diego to BerlinSan Diego to MoscowSan Diego to DubaiSan Diego to New DelhiSan Diego 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 San Diego and Sydney?

Sydney is 17 hours ahead of San Diego.

What time is it in Sydney when it is 9 AM in San Diego?

When it is 9:00 AM in San Diego, it is 2:00 AM (Thu, Oct 22) in Sydney.

When is the best time to call Sydney from San Diego?

Both sides are at work from 4:00 PM – 6:00 PM in San Diego (9:00 AM – 11:00 AM in Sydney).

Does the time difference between San Diego 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.