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Time difference between Chicago and Hanoi

Hanoi is 12 hours ahead of Chicago.

Chicago
United States · Central Daylight Time
2:42 AM
Wednesday, October 21, 2026
Hanoi
Vietnam · Indochina Time
2:42 PM
Wednesday, October 21, 2026
Compare more placesHanoi to Chicago

Chicago to Hanoi time converter

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

ChicagoHanoi
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 Chicago and Hanoi?

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

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

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

When is the best time to call Hanoi from Chicago?

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

Does the time difference between Chicago and Hanoi change?

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

Chicago is 12 hours behind Hanoi. More: time in Chicago · time in Hanoi

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Time difference from Hanoi