🇺🇸 Honolulu → 🇦🇺 Sydney
The time difference between Honolulu and Sydney is +21h. Honolulu uses HST (UTC-10:00), while Sydney uses AEDT (UTC+11:00).
+21h
Sydney is ahead
Hourly Comparison
| Honolulu | Sydney |
|---|---|
| 00:00 | 21:00 |
| 01:00 | 22:00 |
| 02:00 | 23:00 |
| 03:00 | 00:00 |
| 04:00 | 01:00 |
| 05:00 | 02:00 |
| 06:00 | 03:00 |
| 07:00 | 04:00 |
| 08:00 | 05:00 |
| 09:00 | 06:00 |
| 10:00 | 07:00 |
| 11:00 | 08:00 |
| 12:00 | 09:00 |
| 13:00 | 10:00 |
| 14:00 | 11:00 |
| 15:00 | 12:00 |
| 16:00 | 13:00 |
| 17:00 | 14:00 |
| 18:00 | 15:00 |
| 19:00 | 16:00 |
| 20:00 | 17:00 |
| 21:00 | 18:00 |
| 22:00 | 19:00 |
| 23:00 | 20:00 |
Tips for Honolulu ↔ Sydney
- ● Honolulu and Sydney share 6 hours of overlapping business hours (9 AM – 6 PM).
- ● When scheduling calls between Honolulu and Sydney, remember the +21h time difference.
- ● Sydney is currently observing Daylight Saving Time (DST). The time difference may change when DST ends.
Frequently Asked Questions
What is the time difference between Honolulu and Sydney?
The time difference between Honolulu and Sydney is +21h. Honolulu is in the HST timezone, and Sydney is in the AEDT timezone.
When it's 9 AM in Honolulu, what time is it in Sydney?
When it's 9 AM in Honolulu, it's 6:00 AM in Sydney.
Is Honolulu ahead or behind Sydney?
Honolulu is behind Sydney by +21h.