Vienna to Hanoi Time Difference
🇦🇹 Vienna is currently 6 hours ahead of 🇻🇳 Hanoi. This difference varies between 5h and 6h due to Daylight Saving Time.
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Atin 🇦🇹 Vienna→it will be—in 🇻🇳 Hanoi
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Difference
+6h
Business overlap
3h
Distance
8,243 km
Approx. flight
9.7h
Hour-by-Hour: Vienna to Hanoi
| 🇦🇹 Vienna | 🇻🇳 Hanoi | Note |
|---|---|---|
| 12:00 AM | 6:00 AM | |
| 1:00 AM | 7:00 AM | |
| 2:00 AM | 8:00 AM | |
| 3:00 AM | 9:00 AM | |
| 4:00 AM | 10:00 AM | |
| 5:00 AM | 11:00 AM | |
| 6:00 AM | 12:00 PM | |
| 7:00 AM | 1:00 PM | |
| 8:00 AM | 2:00 PM | |
| 9:00 AM | 3:00 PM | |
| 10:00 AM | 4:00 PM | |
| 11:00 AM | 5:00 PM | |
| 12:00 PM | 6:00 PM | |
| 1:00 PM | 7:00 PM | |
| 2:00 PM | 8:00 PM | |
| 3:00 PM | 9:00 PM | |
| 4:00 PM | 10:00 PM | |
| 5:00 PM | 11:00 PM | |
| 6:00 PM | 12:00 AM(next day) | Next day |
| 7:00 PM | 1:00 AM(next day) | Next day |
| 8:00 PM | 2:00 AM(next day) | Next day |
| 9:00 PM | 3:00 AM(next day) | Next day |
| 10:00 PM | 4:00 AM(next day) | Next day |
| 11:00 PM | 5:00 AM(next day) | Next day |
Daylight Saving Time (DST)
Vienna observes Daylight Saving Time, while Hanoi does not. This causes the time difference to shift between 5 hours ahead and 6 hours ahead depending on the season. Currently, Vienna is 6 hours ahead relative to Hanoi.
Min difference
5h
Max difference
6h
Best Meeting Times
There are 3 overlapping business hours between Vienna and Hanoi (9 AM – 6 PM in each city).
🇦🇹 Vienna
9:00 AM – 12:00 PM
🇻🇳 Hanoi
3:00 PM – 6:00 PM
Frequently Asked Questions
What is the time difference between Vienna and Hanoi?
The time difference between Vienna and Hanoi is currently 6 hours ahead. Vienna uses GMT+1 (UTC+1), while Hanoi uses GMT+7 (UTC+7). This difference varies seasonally due to Daylight Saving Time, ranging from 5 hours ahead to 6 hours ahead.
When it's noon in Vienna, what time is it in Hanoi?
When it's 12:00 PM (noon) in Vienna, it is 6:00 PM in Hanoi. Use our calculator above to convert any other time.
Does the time difference between Vienna and Hanoi change?
Yes, the time difference changes throughout the year. Because Vienna observes Daylight Saving Time, the offset shifts between 5 hours ahead and 6 hours ahead at different times of the year.
What are the best times to schedule a call between Vienna and Hanoi?
The best time to call is between 9:00 AM and 12:00 PM in Vienna (which is 3:00 PM – 6:00 PM in Hanoi). This 3-hour window falls within business hours in both cities.
Is Vienna ahead or behind Hanoi?
Vienna is currently 6 hours behind Hanoi.
What time zone is Vienna in?
Vienna is in the Europe/Vienna time zone, currently using GMT+1 (UTC+1). Vienna observes Daylight Saving Time, so the offset changes twice a year.
What time is midnight in Vienna in Hanoi?
When it is midnight (12:00 AM) in Vienna, it is 6:00 AM in Hanoi.