Adelaide to Honolulu time converter

Honolulu is 20 hours 30 minutes behind Adelaide. When it is 9:00 AM in Adelaide, it is 12:30 PM (Sun, Oct 18) in Honolulu.

Adelaide ACDT

Monday, October 19, 2026

Honolulu HST

Sunday, October 18, 2026

Adelaide
South Australia, Australia
Mon, Oct 19
ACDTUTC+10:30
Honolulu
Hawaii, United States
Sun, Oct 18
HSTUTC-10-20h 30m
Finding your time zone…
Shared working hours (9:00–18:00)

Adelaide to Honolulu conversion table

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

AdelaideHonolulu
12:00 AM3:30 AM−1 day
1:00 AM4:30 AM−1 day
2:00 AM5:30 AM−1 day
3:00 AM6:30 AM−1 day
4:00 AM7:30 AM−1 day
5:00 AM8:30 AM−1 day
6:00 AM9:30 AM−1 day
7:00 AM10:30 AM−1 day
8:00 AM11:30 AM−1 day
9:00 AM12:30 PM−1 day
10:00 AM1:30 PM−1 day
11:00 AM2:30 PM−1 day
12:00 PM3:30 PM−1 day
1:00 PM4:30 PM−1 day
2:00 PM5:30 PM−1 day
3:00 PM6:30 PM−1 day
4:00 PM7:30 PM−1 day
5:00 PM8:30 PM−1 day
6:00 PM9:30 PM−1 day
7:00 PM10:30 PM−1 day
8:00 PM11:30 PM−1 day
9:00 PM12:30 AM
10:00 PM1:30 AM
11:00 PM2:30 AM

Best time to call or meet

Both sides are at work from 9:00 AM – 2:30 PM in Adelaide (12:30 PM – 6:00 PM in Honolulu).

Daylight saving time and the difference

The difference changes during the year because Adelaide and Honolulu switch clocks on different dates:

  • Oct 19, 2026 – Apr 4, 2027: -20h 30m
  • Apr 4, 2027 – Oct 3, 2027: -19h 30m
  • Oct 3, 2027 – Oct 19, 2027: -20h 30m

Distance

Adelaide and Honolulu are 9,162 km (5,693 miles) apart in a straight line.

More conversions

Honolulu to AdelaideAdelaide to New YorkAdelaide to LondonAdelaide to Los AngelesAdelaide to ChicagoAdelaide to TorontoAdelaide to São PauloAdelaide to ParisAdelaide to BerlinAdelaide to MoscowAdelaide to DubaiAdelaide to New DelhiAdelaide to Bangkok
New York to HonoluluLondon to HonoluluLos Angeles to HonoluluChicago to HonoluluToronto to HonoluluSão Paulo to HonoluluParis to HonoluluBerlin to HonoluluMoscow to HonoluluDubai to HonoluluNew Delhi to HonoluluBangkok to Honolulu

Questions and answers

What is the time difference between Adelaide and Honolulu?

Honolulu is 20 hours 30 minutes behind Adelaide.

What time is it in Honolulu when it is 9 AM in Adelaide?

When it is 9:00 AM in Adelaide, it is 12:30 PM (Sun, Oct 18) in Honolulu.

When is the best time to call Honolulu from Adelaide?

Both sides are at work from 9:00 AM – 2:30 PM in Adelaide (12:30 PM – 6:00 PM in Honolulu).

Does the time difference between Adelaide and Honolulu change?

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