Time difference between Washington, D.C. and Hanoi
Hanoi is 11 hours ahead of Washington, D.C..
Washington, D.C. to Hanoi time converter
Green rows are office hours in both places; light green rows are when both are awake.
| Washington, D.C. | Hanoi |
|---|---|
| 12:00 AM | 11:00 AM |
| 1:00 AM | 12:00 PM |
| 2:00 AM | 1:00 PM |
| 3:00 AM | 2:00 PM |
| 4:00 AM | 3:00 PM |
| 5:00 AM | 4:00 PM |
| 6:00 AM | 5:00 PM |
| 7:00 AM | 6:00 PM |
| 8:00 AM | 7:00 PM |
| 9:00 AM | 8:00 PM |
| 10:00 AM | 9:00 PM |
| 11:00 AM | 10:00 PM |
| 12:00 PM | 11:00 PM |
| 1:00 PM | 12:00 AM (next day) |
| 2:00 PM | 1:00 AM (next day) |
| 3:00 PM | 2:00 AM (next day) |
| 4:00 PM | 3:00 AM (next day) |
| 5:00 PM | 4:00 AM (next day) |
| 6:00 PM | 5:00 AM (next day) |
| 7:00 PM | 6:00 AM (next day) |
| 8:00 PM | 7:00 AM (next day) |
| 9:00 PM | 8:00 AM (next day) |
| 10:00 PM | 9:00 AM (next day) |
| 11:00 PM | 10:00 AM (next day) |
Questions
What is the time difference between Washington, D.C. and Hanoi?
Hanoi is 11 hours ahead of Washington, D.C.. Washington, D.C. is on UTC−4 and Hanoi is on UTC+7.
What time is it in Hanoi when it is 9 AM in Washington, D.C.?
When it is 9:00 AM in Washington, D.C., it is 8:00 PM in Hanoi.
When is the best time to call Hanoi from Washington, D.C.?
There are no shared office hours. The most comfortable time to call is 8:00 AM–11:00 AM in Washington, D.C. (7:00 PM–10:00 PM in Hanoi); 9:00 PM–10:00 PM in Washington, D.C. (8:00 AM–9:00 AM in Hanoi), when both places are awake.
Does the time difference between Washington, D.C. and Hanoi change?
Yes. Because of daylight saving time, the difference changes on Sunday, November 1, 2026, when Hanoi will be 12 hours ahead of Washington, D.C..
Washington, D.C. is 11 hours behind Hanoi. More: time in Washington, D.C. · time in Hanoi
Time difference from Washington, D.C. to other cities
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