Honolulu to Sydney Time Difference
🇺🇸 Honolulu is currently 21 hours ahead of 🇦🇺 Sydney. This difference varies between 20h and 21h due to Daylight Saving Time.
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Atin 🇺🇸 Honolulu→it will be—in 🇦🇺 Sydney
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Difference
+21h
Business overlap
6h
Distance
8,166 km
Approx. flight
9.6h
Hour-by-Hour: Honolulu to Sydney
| 🇺🇸 Honolulu | 🇦🇺 Sydney | Note |
|---|---|---|
| 12:00 AM | 9:00 PM(prev day) | Previous day |
| 1:00 AM | 10:00 PM(prev day) | Previous day |
| 2:00 AM | 11:00 PM(prev day) | Previous day |
| 3:00 AM | 12:00 AM | |
| 4:00 AM | 1:00 AM | |
| 5:00 AM | 2:00 AM | |
| 6:00 AM | 3:00 AM | |
| 7:00 AM | 4:00 AM | |
| 8:00 AM | 5:00 AM | |
| 9:00 AM | 6:00 AM | |
| 10:00 AM | 7:00 AM | |
| 11:00 AM | 8:00 AM | |
| 12:00 PM | 9:00 AM | |
| 1:00 PM | 10:00 AM | |
| 2:00 PM | 11:00 AM | |
| 3:00 PM | 12:00 PM | |
| 4:00 PM | 1:00 PM | |
| 5:00 PM | 2:00 PM | |
| 6:00 PM | 3:00 PM | |
| 7:00 PM | 4:00 PM | |
| 8:00 PM | 5:00 PM | |
| 9:00 PM | 6:00 PM | |
| 10:00 PM | 7:00 PM | |
| 11:00 PM | 8:00 PM |
Daylight Saving Time (DST)
Sydney observes Daylight Saving Time, while Honolulu does not. This causes the time difference to shift between 20 hours ahead and 21 hours ahead depending on the season. Currently, Honolulu is 21 hours ahead relative to Sydney.
Min difference
20h
Max difference
21h
Best Meeting Times
There are 6 overlapping business hours between Honolulu and Sydney (9 AM – 6 PM in each city).
🇺🇸 Honolulu
12:00 PM – 6:00 PM
🇦🇺 Sydney
9:00 AM – 3:00 PM
Frequently Asked Questions
What is the time difference between Honolulu and Sydney?
The time difference between Honolulu and Sydney is currently 21 hours ahead. Honolulu uses HST (UTC-10), while Sydney uses GMT+11 (UTC+11). This difference varies seasonally due to Daylight Saving Time, ranging from 20 hours ahead to 21 hours ahead.
When it's noon in Honolulu, what time is it in Sydney?
When it's 12:00 PM (noon) in Honolulu, it is 9:00 AM in Sydney. Use our calculator above to convert any other time.
Does the time difference between Honolulu and Sydney change?
Yes, the time difference changes throughout the year. Because Sydney observes Daylight Saving Time, the offset shifts between 20 hours ahead and 21 hours ahead at different times of the year.
What are the best times to schedule a call between Honolulu and Sydney?
The best time to call is between 12:00 PM and 6:00 PM in Honolulu (which is 9:00 AM – 3:00 PM in Sydney). This 6-hour window falls within business hours in both cities.
Is Honolulu ahead or behind Sydney?
Honolulu is currently 21 hours behind Sydney.
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 Sydney?
When it is midnight (12:00 AM) in Honolulu, it is 9:00 PM in Sydney.