Time difference between Guam and Australia
Guam and Australia are on the same time
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.
| Guam — Time zone | Australia — Time zone | Difference vs Australia |
|---|---|---|
| Guam | Eastern Time (Sydney) | ±0 |
| Guam | Western Time (Perth) | +2 hours |
Best time for a call or meeting
Guam 09:00–18:00 = Australia 09:00–18:00
Both cities are within business hours (9:00–18:00).
Convert a specific time
Hour-by-hour conversion
| Guam | Australia |
|---|---|
| 00:00 | 00:00 |
| 01:00 | 01:00 |
| 02:00 | 02:00 |
| 03:00 | 03:00 |
| 04:00 | 04:00 |
| 05:00 | 05:00 |
| 06:00 | 06:00 |
| 07:00 | 07:00 |
| 08:00 | 08:00 |
| 09:00 | 09:00 |
| 10:00 | 10:00 |
| 11:00 | 11:00 |
| 12:00 | 12:00 |
| 13:00 | 13:00 |
| 14:00 | 14:00 |
| 15:00 | 15:00 |
| 16:00 | 16:00 |
| 17:00 | 17:00 |
| 18:00 | 18:00 |
| 19:00 | 19:00 |
| 20:00 | 20:00 |
| 21:00 | 21:00 |
| 22:00 | 22:00 |
| 23:00 | 23:00 |
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 Guam and Australia?
Guam and Australia are on the same time. When it is 12:00 noon in Guam, it is 12:00 in Australia.
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?
Guam 09:00–18:00 = Australia 09:00–18:00. 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.