Sydney to Hanoi Time Difference
🇦🇺 Sydney is currently 4 hours behind of 🇻🇳 Hanoi. This difference varies between 4h and 3h due to Daylight Saving Time.
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Atin 🇦🇺 Sydney→it will be—in 🇻🇳 Hanoi
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Difference
-4h
Business overlap
5h
Distance
7,767 km
Approx. flight
9.1h
Hour-by-Hour: Sydney to Hanoi
| 🇦🇺 Sydney | 🇻🇳 Hanoi | Note |
|---|---|---|
| 12:00 AM | 8:00 PM(prev day) | Previous day |
| 1:00 AM | 9:00 PM(prev day) | Previous day |
| 2:00 AM | 10:00 PM(prev day) | Previous day |
| 3:00 AM | 11:00 PM(prev day) | Previous day |
| 4:00 AM | 12:00 AM | |
| 5:00 AM | 1:00 AM | |
| 6:00 AM | 2:00 AM | |
| 7:00 AM | 3:00 AM | |
| 8:00 AM | 4:00 AM | |
| 9:00 AM | 5:00 AM | |
| 10:00 AM | 6:00 AM | |
| 11:00 AM | 7:00 AM | |
| 12:00 PM | 8:00 AM | |
| 1:00 PM | 9:00 AM | |
| 2:00 PM | 10:00 AM | |
| 3:00 PM | 11:00 AM | |
| 4:00 PM | 12:00 PM | |
| 5:00 PM | 1:00 PM | |
| 6:00 PM | 2:00 PM | |
| 7:00 PM | 3:00 PM | |
| 8:00 PM | 4:00 PM | |
| 9:00 PM | 5:00 PM | |
| 10:00 PM | 6:00 PM | |
| 11:00 PM | 7:00 PM |
Daylight Saving Time (DST)
Sydney observes Daylight Saving Time, while Hanoi does not. This causes the time difference to shift between 4 hours behind and 3 hours behind depending on the season. Currently, Sydney is 4 hours behind relative to Hanoi.
Min difference
4h
Max difference
3h
Best Meeting Times
There are 5 overlapping business hours between Sydney and Hanoi (9 AM – 6 PM in each city).
🇦🇺 Sydney
1:00 PM – 6:00 PM
🇻🇳 Hanoi
9:00 AM – 2:00 PM
Frequently Asked Questions
What is the time difference between Sydney and Hanoi?
The time difference between Sydney and Hanoi is currently 4 hours behind. Sydney uses GMT+11 (UTC+11), while Hanoi uses GMT+7 (UTC+7). This difference varies seasonally due to Daylight Saving Time, ranging from 4 hours behind to 3 hours behind.
When it's noon in Sydney, what time is it in Hanoi?
When it's 12:00 PM (noon) in Sydney, it is 8:00 AM in Hanoi. Use our calculator above to convert any other time.
Does the time difference between Sydney and Hanoi change?
Yes, the time difference changes throughout the year. Because Sydney observes Daylight Saving Time, the offset shifts between 4 hours behind and 3 hours behind at different times of the year.
What are the best times to schedule a call between Sydney and Hanoi?
The best time to call is between 1:00 PM and 6:00 PM in Sydney (which is 9:00 AM – 2:00 PM in Hanoi). This 5-hour window falls within business hours in both cities.
Is Sydney ahead or behind Hanoi?
Sydney is currently 4 hours ahead of Hanoi.
What time zone is Sydney in?
Sydney is in the Australia/Sydney time zone, currently using GMT+11 (UTC+11). Sydney observes Daylight Saving Time, so the offset changes twice a year.
What time is midnight in Sydney in Hanoi?
When it is midnight (12:00 AM) in Sydney, it is 8:00 PM in Hanoi.