Honolulu to Adelaide Time Difference
🇺🇸 Honolulu is currently 20.5 hours ahead of 🇦🇺 Adelaide. This difference varies between 19.5h and 20.5h due to Daylight Saving Time.
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Atin 🇺🇸 Honolulu→it will be—in 🇦🇺 Adelaide
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Difference
+20.5h
Business overlap
6h
Distance
9,162 km
Approx. flight
10.8h
Hour-by-Hour: Honolulu to Adelaide
| 🇺🇸 Honolulu | 🇦🇺 Adelaide | Note |
|---|---|---|
| 12:00 AM | 8:30 PM(prev day) | Previous day |
| 1:00 AM | 9:30 PM(prev day) | Previous day |
| 2:00 AM | 10:30 PM(prev day) | Previous day |
| 3:00 AM | 11:30 PM(prev day) | Previous day |
| 4:00 AM | 12:30 AM | |
| 5:00 AM | 1:30 AM | |
| 6:00 AM | 2:30 AM | |
| 7:00 AM | 3:30 AM | |
| 8:00 AM | 4:30 AM | |
| 9:00 AM | 5:30 AM | |
| 10:00 AM | 6:30 AM | |
| 11:00 AM | 7:30 AM | |
| 12:00 PM | 8:30 AM | |
| 1:00 PM | 9:30 AM | |
| 2:00 PM | 10:30 AM | |
| 3:00 PM | 11:30 AM | |
| 4:00 PM | 12:30 PM | |
| 5:00 PM | 1:30 PM | |
| 6:00 PM | 2:30 PM | |
| 7:00 PM | 3:30 PM | |
| 8:00 PM | 4:30 PM | |
| 9:00 PM | 5:30 PM | |
| 10:00 PM | 6:30 PM | |
| 11:00 PM | 7:30 PM |
Daylight Saving Time (DST)
Adelaide observes Daylight Saving Time, while Honolulu does not. This causes the time difference to shift between 19.5 hours ahead and 20.5 hours ahead depending on the season. Currently, Honolulu is 20.5 hours ahead relative to Adelaide.
Min difference
19.5h
Max difference
20.5h
Best Meeting Times
There are 6 overlapping business hours between Honolulu and Adelaide (9 AM – 6 PM in each city).
🇺🇸 Honolulu
12:00 PM – 6:00 PM
🇦🇺 Adelaide
8:30 AM – 2:30 PM
Frequently Asked Questions
What is the time difference between Honolulu and Adelaide?
The time difference between Honolulu and Adelaide is currently 20.5 hours ahead. Honolulu uses HST (UTC-10), while Adelaide uses GMT+10:30 (UTC+10:30). This difference varies seasonally due to Daylight Saving Time, ranging from 19.5 hours ahead to 20.5 hours ahead.
When it's noon in Honolulu, what time is it in Adelaide?
When it's 12:00 PM (noon) in Honolulu, it is 8:30 AM in Adelaide. Use our calculator above to convert any other time.
Does the time difference between Honolulu and Adelaide change?
Yes, the time difference changes throughout the year. Because Adelaide observes Daylight Saving Time, the offset shifts between 19.5 hours ahead and 20.5 hours ahead at different times of the year.
What are the best times to schedule a call between Honolulu and Adelaide?
The best time to call is between 12:00 PM and 6:00 PM in Honolulu (which is 8:30 AM – 2:30 PM in Adelaide). This 6-hour window falls within business hours in both cities.
Is Honolulu ahead or behind Adelaide?
Honolulu is currently 20.5 hours behind Adelaide.
What time zone is Honolulu in?
Honolulu is in the Pacific/Honolulu time zone, currently using HST (UTC-10). Honolulu does not observe Daylight Saving Time.
What time is midnight in Honolulu in Adelaide?
When it is midnight (12:00 AM) in Honolulu, it is 8:30 PM in Adelaide.