Sydney to Hawaii time converter

Hawaii is 21 hours behind Sydney. When it is 9:00 AM in Sydney, it is 12:00 PM (Sun, Oct 18) in Hawaii.

Sydney AEDT

Monday, October 19, 2026

Hawaii HST

Monday, October 19, 2026

Sydney
New South Wales, Australia
Mon, Oct 19
AEDTUTC+11
Hawaii
United States
Mon, Oct 19
HSTUTC-10-21h
Finding your time zone…
Shared working hours (9:00–18:00)

Sydney to Hawaii conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

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

  • Oct 19, 2026 – Apr 4, 2027: -21h
  • Apr 4, 2027 – Oct 3, 2027: -20h
  • Oct 3, 2027 – Oct 19, 2027: -21h

More conversions

Hawaii 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 HawaiiLondon to HawaiiLos Angeles to HawaiiChicago to HawaiiToronto to HawaiiSão Paulo to HawaiiParis to HawaiiBerlin to HawaiiMoscow to HawaiiDubai to HawaiiNew Delhi to HawaiiBangkok to Hawaii

Questions and answers

What is the time difference between Sydney and Hawaii?

Hawaii is 21 hours behind Sydney.

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

When it is 9:00 AM in Sydney, it is 12:00 PM (Sun, Oct 18) in Hawaii.

When is the best time to call Hawaii from Sydney?

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

Does the time difference between Sydney and Hawaii change?

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