Time difference
Honolulu to Sydney Time Difference
Sydney is 20 hours ahead of Honolulu — when it's 12:00 PM in Honolulu, it's 8:00 AM the next day in Sydney. (Honolulu (Pacific/Honolulu, HST); Sydney (Australia/Sydney, AEST).) Below: live local times, the best hours for a call, a full conversion table, and exact daylight-saving dates.
Sydney is 20 hours ahead of Honolulu. The best window for a call is 1 PM–5 PM in Honolulu, which is 9 AM–1 PM in Sydney — a 4-hour overlap inside 9 AM–5 PM on both sides. Clocks change on October 4, 2026, which briefly shifts the gap between Honolulu and Sydney — the converter on this page always reflects the correct offset for the date you pick.
- When it's 9:00 AM in Honolulu, it's 5:00 AM the next day in Sydney.
- When it's 9:00 AM in Sydney, it's 1:00 PM the previous day in Honolulu.
Sydney is currently 20 hours ahead of Honolulu.
Interactive converter
12:00PM
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Best times to meet
The 9 AM – 5 PM business windows in Honolulu and Sydney overlap for 4 hours. 1 PM–5 PM in Honolulu is 9 AM–1 PM in Sydney. Aim somewhere in the middle of that window so neither side starts cold or finishes drained.
Quick conversion table
| Honolulu | Sydney |
|---|---|
| 12 AM | 8:00 PM |
| 1 AM | 9:00 PM |
| 2 AM | 10:00 PM |
| 3 AM | 11:00 PM |
| 4 AM | 12:00 AM (next day) |
| 5 AM | 1:00 AM (next day) |
| 6 AM | 2:00 AM (next day) |
| 7 AM | 3:00 AM (next day) |
| 8 AM | 4:00 AM (next day) |
| 9 AM | 5:00 AM (next day) |
| 10 AM | 6:00 AM (next day) |
| 11 AM | 7:00 AM (next day) |
| 12 PM | 8:00 AM (next day) |
| 1 PM | 9:00 AM (next day) |
| 2 PM | 10:00 AM (next day) |
| 3 PM | 11:00 AM (next day) |
| 4 PM | 12:00 PM (next day) |
| 5 PM | 1:00 PM (next day) |
| 6 PM | 2:00 PM (next day) |
| 7 PM | 3:00 PM (next day) |
| 8 PM | 4:00 PM (next day) |
| 9 PM | 5:00 PM (next day) |
| 10 PM | 6:00 PM (next day) |
| 11 PM | 7:00 PM (next day) |
Daylight saving
On October 4, 2026, Sydney shifts for daylight saving. After that, Sydney will be 21 hours ahead of Honolulu (currently 20 hours ahead of Honolulu). The converter and the tables above always reflect the correct offset for the date you pick.
- Honolulu does not observe daylight saving time.
- Sydney is not currently observing daylight saving time (standard time is in effect).
Frequently asked questions
- Is Sydney ahead of or behind Honolulu?
- Sydney is 20 hours ahead of Honolulu.
- How many hours ahead of Honolulu is Sydney?
- Sydney is 20 hours ahead of Honolulu.
- What time is 9 AM in Honolulu in Sydney?
- 9:00 AM in Honolulu is 5:00 AM the next day in Sydney.
- What time is noon in Honolulu in Sydney?
- 12:00 PM in Honolulu is 8:00 AM the next day in Sydney.
- What time is 5 PM in Honolulu in Sydney?
- 5:00 PM in Honolulu is 1:00 PM the next day in Sydney. Useful for end-of-day handoffs between the two offices.
- What time is 3 PM in Honolulu in Sydney?
- 3:00 PM in Honolulu is 11:00 AM the next day in Sydney.
- Is Honolulu currently observing daylight saving time?
- Honolulu does not observe daylight saving time — its UTC offset stays the same all year.
- Is Sydney currently observing daylight saving time?
- Sydney observes daylight saving time seasonally, but is not currently on DST (standard time is in effect).
- Do Honolulu and Sydney observe daylight saving?
- On October 4, 2026, Sydney shifts for daylight saving. After that, Sydney will be 21 hours ahead of Honolulu (currently 20 hours ahead of Honolulu). The converter and the tables above always reflect the correct offset for the date you pick.
- When is the best time to call Sydney from Honolulu?
- Aim for 1 PM–5 PM in Honolulu, which is 9 AM–1 PM in Sydney.
- When is the best time to call Honolulu from Sydney?
- Aim for 9 AM–1 PM in Sydney, which is 1 PM–5 PM in Honolulu.
- Honolulu (HST) to Sydney (AEST) — how do I convert quickly?
- Add 20 hours to Honolulu local time to get Sydney local time. Or use the converter at the top of this page — it stays accurate through daylight-saving changes automatically.
Other conversions
- Honolulu to New York
- Honolulu to London
- Honolulu to Tokyo
- Dubai to Honolulu
- Honolulu to Singapore
- Honolulu to Los Angeles
- Honolulu to Paris
- Honolulu to Mumbai
- Hong Kong to Honolulu
- Honolulu to San Francisco