Sydney to San Diego time converter

San Diego is 17 hours behind Sydney. When it is 9:00 AM in Sydney, it is 4:00 PM (Wed, Oct 21) in San Diego.

Sydney AEDT

Thursday, October 22, 2026

San Diego CST

Wednesday, October 21, 2026

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

Sydney to San Diego conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

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

  • Oct 22, 2026 – Apr 4, 2027: -17h
  • Apr 4, 2027 – Oct 3, 2027: -16h
  • Oct 3, 2027 – Oct 22, 2027: -17h

Distance

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

More conversions

San Diego 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 San DiegoLondon to San DiegoLos Angeles to San DiegoChicago to San DiegoToronto to San DiegoSão Paulo to San DiegoParis to San DiegoBerlin to San DiegoMoscow to San DiegoDubai to San DiegoNew Delhi to San DiegoBangkok to San Diego

Questions and answers

What is the time difference between Sydney and San Diego?

San Diego is 17 hours behind Sydney.

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

When it is 9:00 AM in Sydney, it is 4:00 PM (Wed, Oct 21) in San Diego.

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

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

Does the time difference between Sydney and San Diego change?

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