Sydney to Aliso Viejo time converter

Aliso Viejo is 18 hours behind Sydney. When it is 9:00 AM in Sydney, it is 3:00 PM (Tue, Oct 20) in Aliso Viejo.

Sydney AEDT

Wednesday, October 21, 2026

Aliso Viejo PDT

Tuesday, October 20, 2026

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

Sydney to Aliso Viejo conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

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

  • Oct 21, 2026 – Nov 1, 2026: -18h
  • Nov 1, 2026 – Mar 14, 2027: -19h
  • Mar 14, 2027 – Apr 4, 2027: -18h
  • Apr 4, 2027 – Oct 3, 2027: -17h
  • Oct 3, 2027 – Oct 21, 2027: -18h

Distance

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

More conversions

Aliso Viejo 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 Aliso ViejoLondon to Aliso ViejoLos Angeles to Aliso ViejoChicago to Aliso ViejoToronto to Aliso ViejoSão Paulo to Aliso ViejoParis to Aliso ViejoBerlin to Aliso ViejoMoscow to Aliso ViejoDubai to Aliso ViejoNew Delhi to Aliso ViejoBangkok to Aliso Viejo

Questions and answers

What is the time difference between Sydney and Aliso Viejo?

Aliso Viejo is 18 hours behind Sydney.

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

When it is 9:00 AM in Sydney, it is 3:00 PM (Tue, Oct 20) in Aliso Viejo.

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

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

Does the time difference between Sydney and Aliso Viejo change?

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