Hanoi to Sydney Time Difference
🇻🇳 Hanoi is currently 4 hours ahead of 🇦🇺 Sydney. This difference varies between 3h and 4h due to Daylight Saving Time.
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Atin 🇻🇳 Hanoi→it will be—in 🇦🇺 Sydney
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Difference
+4h
Business overlap
5h
Distance
7,767 km
Approx. flight
9.1h
Hour-by-Hour: Hanoi to Sydney
| 🇻🇳 Hanoi | 🇦🇺 Sydney | Note |
|---|---|---|
| 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 | 12:00 AM(next day) | Next day |
| 9:00 PM | 1:00 AM(next day) | Next day |
| 10:00 PM | 2:00 AM(next day) | Next day |
| 11:00 PM | 3:00 AM(next day) | Next day |
Daylight Saving Time (DST)
Sydney observes Daylight Saving Time, while Hanoi does not. This causes the time difference to shift between 3 hours ahead and 4 hours ahead depending on the season. Currently, Hanoi is 4 hours ahead relative to Sydney.
Min difference
3h
Max difference
4h
Best Meeting Times
There are 5 overlapping business hours between Hanoi and Sydney (9 AM – 6 PM in each city).
🇻🇳 Hanoi
9:00 AM – 2:00 PM
🇦🇺 Sydney
1:00 PM – 6:00 PM
Frequently Asked Questions
What is the time difference between Hanoi and Sydney?
The time difference between Hanoi and Sydney is currently 4 hours ahead. Hanoi uses GMT+7 (UTC+7), while Sydney uses GMT+11 (UTC+11). This difference varies seasonally due to Daylight Saving Time, ranging from 3 hours ahead to 4 hours ahead.
When it's noon in Hanoi, what time is it in Sydney?
When it's 12:00 PM (noon) in Hanoi, it is 4:00 PM in Sydney. Use our calculator above to convert any other time.
Does the time difference between Hanoi and Sydney change?
Yes, the time difference changes throughout the year. Because Sydney observes Daylight Saving Time, the offset shifts between 3 hours ahead and 4 hours ahead at different times of the year.
What are the best times to schedule a call between Hanoi and Sydney?
The best time to call is between 9:00 AM and 2:00 PM in Hanoi (which is 1:00 PM – 6:00 PM in Sydney). This 5-hour window falls within business hours in both cities.
Is Hanoi ahead or behind Sydney?
Hanoi is currently 4 hours behind Sydney.
What time zone is Hanoi in?
Hanoi is in the Asia/Ho Chi_Minh time zone, currently using GMT+7 (UTC+7). Hanoi does not observe Daylight Saving Time.
What time is midnight in Hanoi in Sydney?
When it is midnight (12:00 AM) in Hanoi, it is 4:00 AM in Sydney.