timenow.online
More

Time difference between Hanoi and Washington, D.C.

Washington, D.C. is 12 hours behind Hanoi.

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

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

Questions

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

Washington, D.C. is 12 hours behind Hanoi. Hanoi is on UTC+7 and Washington, D.C. is on UTC−5.

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 9:00 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–10:00 AM in Hanoi (8:00 PM–10:00 PM in Washington, D.C.); 8:00 PM–10:00 PM in Hanoi (8:00 AM–10:00 AM in Washington, D.C.), when both places are awake.

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

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

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

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

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

Time difference from Hanoi to other cities

All Hanoi time differences →

Time difference from Washington, D.C.