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Time difference between Washington, D.C. and Hanoi

Hanoi is 12 hours ahead of Washington, D.C..

United States · Eastern Standard Time
7:47 PM
Wednesday, November 11, 2026
Hanoi
Vietnam · Indochina Time
7:47 AM
Thursday, November 12, 2026

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

Questions

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

Hanoi is 12 hours ahead of Washington, D.C.. Washington, D.C. is on UTC−5 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 9:00 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–10:00 AM in Washington, D.C. (8:00 PM–10:00 PM in Hanoi); 8:00 PM–10:00 PM in Washington, D.C. (8:00 AM–10:00 AM in Hanoi), when both places are awake.

Which days are working days in both Washington, D.C. and Hanoi?

Both Washington, D.C. and Hanoi usually work Monday to Friday.

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

Yes. Because of daylight saving time, the difference changes on Sunday, March 14, 2027, when Hanoi will be 11 hours ahead of Washington, D.C..

Washington, D.C. is 12 hours behind Hanoi. More: time in Washington, D.C. · time in Hanoi

Time difference from Washington, D.C. to other cities

All Washington, D.C. time differences →

Time difference from Hanoi