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Time difference between Hanoi and Boston

Boston is 12 hours behind Hanoi.

Hanoi
Vietnam · Indochina Time
7:46 AM
Thursday, November 12, 2026
Boston
United States · Eastern Standard Time
7:46 PM
Wednesday, November 11, 2026
Compare more placesBoston to Hanoi

Hanoi to Boston time converter

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

HanoiBoston
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 Boston?

Boston is 12 hours behind Hanoi. Hanoi is on UTC+7 and Boston is on UTC−5.

What time is it in Boston when it is 9 AM in Hanoi?

When it is 9:00 AM in Hanoi, it is 9:00 PM the previous day in Boston.

When is the best time to call Boston 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 Boston); 8:00 PM–10:00 PM in Hanoi (8:00 AM–10:00 AM in Boston), when both places are awake.

Which days are working days in both Hanoi and Boston?

Both Hanoi and Boston usually work Monday to Friday.

Does the time difference between Hanoi and Boston change?

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

Hanoi is 12 hours ahead of Boston. More: time in Hanoi · time in Boston

Time difference from Hanoi to other cities

All Hanoi time differences →

Time difference from Boston