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Time difference between Seoul and Chicago

Chicago is 15 hours behind Seoul.

Seoul
South Korea · Korean Standard Time
9:35 AM
Thursday, November 12, 2026
Chicago
United States · Central Standard Time
6:35 PM
Wednesday, November 11, 2026
Compare more placesChicago to Seoul

Seoul to Chicago time converter

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

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

Questions

What is the time difference between Seoul and Chicago?

Chicago is 15 hours behind Seoul. Seoul is on UTC+9 and Chicago is on UTC−6.

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

When it is 9:00 AM in Seoul, it is 6:00 PM the previous day in Chicago.

When is the best time to call Chicago from Seoul?

There are no shared office hours. The most comfortable time to call is 8:00 AM–1:00 PM in Seoul (5:00 PM–10:00 PM in Chicago), when both places are awake.

Which days are working days in both Seoul and Chicago?

Both Seoul and Chicago usually work Monday to Friday.

Does the time difference between Seoul and Chicago change?

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

Seoul is 15 hours ahead of Chicago. More: time in Seoul · time in Chicago

Time difference from Seoul to other cities

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Time difference from Chicago