Aliso Viejo to Sydney time converter

Sydney is 18 hours ahead of Aliso Viejo. When it is 9:00 AM in Aliso Viejo, it is 3:00 AM (Wed, Oct 21) in Sydney.

Aliso Viejo PDT

Tuesday, October 20, 2026

Sydney AEDT

Wednesday, October 21, 2026

Aliso Viejo
California, United States
Tue, Oct 20
PDTUTC-7
Sydney
New South Wales, Australia
Wed, Oct 21
AEDTUTC+11+18h
Finding your time zone…
Shared working hours (9:00–18:00)

Aliso Viejo to Sydney conversion table

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

Aliso ViejoSydney
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 Aliso Viejo (9:00 AM – 12:00 PM in Sydney).

Daylight saving time and the difference

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

  • Oct 20, 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 20, 2027: +18h

Distance

Aliso Viejo and Sydney are 12,089 km (7,512 miles) apart in a straight line.

More conversions

Sydney to Aliso ViejoAliso Viejo to New YorkAliso Viejo to LondonAliso Viejo to Los AngelesAliso Viejo to ChicagoAliso Viejo to TorontoAliso Viejo to São PauloAliso Viejo to ParisAliso Viejo to BerlinAliso Viejo to MoscowAliso Viejo to DubaiAliso Viejo to New DelhiAliso Viejo 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 Aliso Viejo and Sydney?

Sydney is 18 hours ahead of Aliso Viejo.

What time is it in Sydney when it is 9 AM in Aliso Viejo?

When it is 9:00 AM in Aliso Viejo, it is 3:00 AM (Wed, Oct 21) in Sydney.

When is the best time to call Sydney from Aliso Viejo?

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

Does the time difference between Aliso Viejo 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.