Time difference between Australia and Hawaii: 20 hours
Australia is 20 hours ahead of Hawaii
Difference by time zone
This country spans multiple time zones, so the summary above uses the main zone. The table below shows the difference for each zone.
| Australia — Time zone | Hawaii — Time zone | Difference vs Hawaii |
|---|---|---|
| Eastern Time (Sydney) | Hawaii | +20 hours |
| Western Time (Perth) | Hawaii | +18 hours |
Best time for a call or meeting
Australia 09:00–14:00 = Hawaii 13:00–18:00
Both cities are within business hours (9:00–18:00).
Convert a specific time
Hour-by-hour conversion
| Australia | Hawaii |
|---|---|
| 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 | 00:00 |
| 21:00 | 01:00 |
| 22:00 | 02:00 |
| 23:00 | 03:00 |
Daylight saving time can change the difference by season. Shown values reflect the current offset.
Frequently asked questions
How many hours is the time difference between Australia and Hawaii?
Australia is 20 hours ahead of Hawaii. When it is 12:00 noon in Australia, it is 16:00 (previous day) in Hawaii.
Does daylight saving time affect the difference?
Yes. One or both places observe daylight saving time, so the difference changes with the season. This page shows the current difference.
What is the best time for a call or meeting?
Australia 09:00–14:00 = Hawaii 13:00–18:00. Both cities are within business hours (9:00–18:00).
How many time zones does Australia have?
This page covers 2 time zones in Australia, using Eastern Time (Sydney) as the reference. See the table above for each zone.