Meeting time

Best time to meet: Honolulu and Adelaide

Honolulu is 20 hours 30 minutes behind Adelaide right now. Their working days overlap for 4 hours 30 minutes: 12:30 PM to 5 PM in Honolulu, which is 9 AM to 1:30 PM in Adelaide. The easiest time to meet is 1:30 PM in Honolulu (10 AM in Adelaide).

Tue 5:54 AMHonolulu · Hawaii-Aleutian Standard TimeWed 2:24 AMAdelaide · Australian Central Daylight Time

Hour by hour

With the clocks as they are on November 10, 2026, Honolulu time on the left. A working day here is 9 AM to 5 PM.

HonoluluAdelaide
6 AM2:30 AM next dayBoth off
7 AM3:30 AM next dayBoth off
8 AM4:30 AM next dayBoth off
9 AM5:30 AM next dayHonolulu at work
10 AM6:30 AM next dayHonolulu at work
11 AM7:30 AM next dayHonolulu at work
12 PM8:30 AM next dayHonolulu at work
1 PM9:30 AM next dayBoth at work
2 PM10:30 AM next dayBoth at work
3 PM11:30 AM next dayBoth at work
4 PM12:30 PM next dayBoth at work
5 PM1:30 PM next dayAdelaide at work
6 PM2:30 PM next dayAdelaide at work
7 PM3:30 PM next dayAdelaide at work
8 PM4:30 PM next dayAdelaide at work
9 PM5:30 PM next dayBoth off
10 PM6:30 PM next dayBoth off

When the clocks change

The gap moves when either city changes its clocks. The next twelve months:

DatesHonolulu isBoth at work (Honolulu time)Easiest (Honolulu / Adelaide)
Now to April 4, 202720 hours 30 minutes behind12:30 PM–5 PM (4 hours 30 minutes)1:30 PM / 10 AM
April 4, 2027 to October 3, 2027
clocks in Adelaide go back
19 hours 30 minutes behind1:30 PM–5 PM (3 hours 30 minutes)2:30 PM / 10 AM
October 3, 2027 onward
clocks in Adelaide go forward
20 hours 30 minutes behind12:30 PM–5 PM (4 hours 30 minutes)1:30 PM / 10 AM

Questions people ask

What time is it in Adelaide when it is 9 AM in Honolulu?
5:30 AM in Adelaide, the next day, while Honolulu is 20 hours 30 minutes behind.
When is the best time for a call between Honolulu and Adelaide?
1:30 PM in Honolulu, which is 10 AM in Adelaide. Both cities are at work from 12:30 PM to 5 PM Honolulu time.
Does the time difference between Honolulu and Adelaide change during the year?
Yes — it changes 2 times in the next twelve months, when the clocks go forward or back; the dates are in the table above.

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