Time difference between London and Hanoi
Hanoi is 6 hours ahead of London.
London to Hanoi time converter
Green rows are office hours in both places; light green rows are when both are awake.
| London | Hanoi |
|---|---|
| 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) |
| 7:00 PM | 1:00 AM (next day) |
| 8:00 PM | 2:00 AM (next day) |
| 9:00 PM | 3:00 AM (next day) |
| 10:00 PM | 4:00 AM (next day) |
| 11:00 PM | 5:00 AM (next day) |
Questions
What is the time difference between London and Hanoi?
Hanoi is 6 hours ahead of London. London is on UTC+1 and Hanoi is on UTC+7.
What time is it in Hanoi when it is 9 AM in London?
When it is 9:00 AM in London, it is 3:00 PM in Hanoi.
When is the best time to call Hanoi from London?
The best time to call or meet is 9:00 AM–12:00 PM in London (3:00 PM–6:00 PM in Hanoi), when both places are in normal office hours.
Does the time difference between London and Hanoi change?
Yes. Because of daylight saving time, the difference changes on Sunday, October 25, 2026, when Hanoi will be 7 hours ahead of London.
London is 6 hours behind Hanoi. More: time in London · time in Hanoi
Time difference from London to other cities
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