Hawaii to Sydney time converter

Sydney is 21 hours ahead of Hawaii. When it is 9:00 AM in Hawaii, it is 6:00 AM (Sat, Oct 17) in Sydney.

Hawaii HST

Friday, October 16, 2026

Sydney AEDT

Saturday, October 17, 2026

Hawaii
United States
Fri, Oct 16
HSTUTC-10
Sydney
New South Wales, Australia
Sat, Oct 17
AEDTUTC+11+21h
Finding your time zone…
Shared working hours (9:00–18:00)

Hawaii to Sydney conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

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

  • Oct 16, 2026 – Apr 3, 2027: +21h
  • Apr 3, 2027 – Oct 2, 2027: +20h
  • Oct 2, 2027 – Oct 16, 2027: +21h

More conversions

Sydney to HawaiiHawaii to New YorkHawaii to LondonHawaii to Los AngelesHawaii to ChicagoHawaii to TorontoHawaii to São PauloHawaii to ParisHawaii to BerlinHawaii to MoscowHawaii to DubaiHawaii to New DelhiHawaii 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 Hawaii and Sydney?

Sydney is 21 hours ahead of Hawaii.

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

When it is 9:00 AM in Hawaii, it is 6:00 AM (Sat, Oct 17) in Sydney.

When is the best time to call Sydney from Hawaii?

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

Does the time difference between Hawaii 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.