Honolulu to Adelaide time converter

Adelaide is 20 hours 30 minutes ahead of Honolulu. When it is 9:00 AM in Honolulu, it is 5:30 AM (Mon, Oct 19) in Adelaide.

Honolulu HST

Sunday, October 18, 2026

Adelaide ACDT

Monday, October 19, 2026

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

Honolulu to Adelaide conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

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

  • Oct 18, 2026 – Apr 3, 2027: +20h 30m
  • Apr 3, 2027 – Oct 2, 2027: +19h 30m
  • Oct 2, 2027 – Oct 18, 2027: +20h 30m

Distance

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

More conversions

Adelaide to HonoluluHonolulu to New YorkHonolulu to LondonHonolulu to Los AngelesHonolulu to ChicagoHonolulu to TorontoHonolulu to São PauloHonolulu to ParisHonolulu to BerlinHonolulu to MoscowHonolulu to DubaiHonolulu to New DelhiHonolulu to Bangkok
New York to AdelaideLondon to AdelaideLos Angeles to AdelaideChicago to AdelaideToronto to AdelaideSão Paulo to AdelaideParis to AdelaideBerlin to AdelaideMoscow to AdelaideDubai to AdelaideNew Delhi to AdelaideBangkok to Adelaide

Questions and answers

What is the time difference between Honolulu and Adelaide?

Adelaide is 20 hours 30 minutes ahead of Honolulu.

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

When it is 9:00 AM in Honolulu, it is 5:30 AM (Mon, Oct 19) in Adelaide.

When is the best time to call Adelaide from Honolulu?

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

Does the time difference between Honolulu and Adelaide change?

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