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Time difference between Hanoi and Washington, D.C.

Washington, D.C. is 11 hours behind Hanoi.

Hanoi
Vietnam · Indochina Time
2:45 PM
Wednesday, October 21, 2026
Washington, D.C.
United States · Eastern Daylight Time
3:45 AM
Wednesday, October 21, 2026
Compare more placesWashington, D.C. to Hanoi

Hanoi to Washington, D.C. time converter

Green rows are office hours in both places; light green rows are when both are awake.

HanoiWashington, D.C.
12:00 AM1:00 PM (previous day)
1:00 AM2:00 PM (previous day)
2:00 AM3:00 PM (previous day)
3:00 AM4:00 PM (previous day)
4:00 AM5:00 PM (previous day)
5:00 AM6:00 PM (previous day)
6:00 AM7:00 PM (previous day)
7:00 AM8:00 PM (previous day)
8:00 AM9:00 PM (previous day)
9:00 AM10:00 PM (previous day)
10:00 AM11:00 PM (previous day)
11:00 AM12:00 AM
12:00 PM1:00 AM
1:00 PM2:00 AM
2:00 PM3:00 AM
3:00 PM4:00 AM
4:00 PM5:00 AM
5:00 PM6:00 AM
6:00 PM7:00 AM
7:00 PM8:00 AM
8:00 PM9:00 AM
9:00 PM10:00 AM
10:00 PM11:00 AM
11:00 PM12:00 PM

Questions

What is the time difference between Hanoi and Washington, D.C.?

Washington, D.C. is 11 hours behind Hanoi. Hanoi is on UTC+7 and Washington, D.C. is on UTC−4.

What time is it in Washington, D.C. when it is 9 AM in Hanoi?

When it is 9:00 AM in Hanoi, it is 10:00 PM the previous day in Washington, D.C..

When is the best time to call Washington, D.C. from Hanoi?

There are no shared office hours. The most comfortable time to call is 8:00 AM–9:00 AM in Hanoi (9:00 PM–10:00 PM in Washington, D.C.); 7:00 PM–10:00 PM in Hanoi (8:00 AM–11:00 AM in Washington, D.C.), when both places are awake.

Does the time difference between Hanoi and Washington, D.C. change?

Yes. Because of daylight saving time, the difference changes on Sunday, November 1, 2026, when Washington, D.C. will be 12 hours behind Hanoi.

Hanoi is 11 hours ahead of Washington, D.C.. More: time in Hanoi · time in Washington, D.C.

Time difference from Hanoi to other cities

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Time difference from Washington, D.C.