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Time difference between Hanoi and Chicago

Chicago is 12 hours behind Hanoi.

Hanoi
Vietnam · Indochina Time
2:43 PM
Wednesday, October 21, 2026
Chicago
United States · Central Daylight Time
2:43 AM
Wednesday, October 21, 2026
Compare more placesChicago to Hanoi

Hanoi to Chicago time converter

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

HanoiChicago
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 Chicago?

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

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

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

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

Does the time difference between Hanoi and Chicago change?

Yes. Because of daylight saving time, the difference changes on Sunday, November 1, 2026, when Chicago will be 13 hours behind Hanoi.

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

Time difference from Hanoi to other cities

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Time difference from Chicago