Chicago to South Korea time converter

South Korea is 14 hours ahead of Chicago. When it is 9:00 AM in Chicago, it is 11:00 PM in South Korea.

Chicago CDT

Tuesday, October 20, 2026

South Korea KST

Wednesday, October 21, 2026

Illinois, United States
Tue, Oct 20
CDTUTC-5
Wed, Oct 21
KSTUTC+9+14h
Finding your time zone…

10:01 PM in Chicago, Tuesday, October 20, 2026

Shared working hours (9:00–18:00)

Chicago to South Korea conversion table

Every hour of today in Chicago and the matching time in South Korea. Light rows are typical working hours (9:00–18:00).

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

Best time to call or meet

Working hours don't overlap fully. The closest fit is 5:00 PM – 6:00 PM in Chicago (7:00 AM – 8:00 AM in South Korea): working hours on one side, early or late on the other.

Daylight saving time and the difference

The difference changes during the year because Chicago and South Korea switch clocks on different dates:

  • Oct 20, 2026 – Nov 1, 2026: +14h
  • Nov 1, 2026 – Mar 14, 2027: +15h
  • Mar 14, 2027 – Oct 20, 2027: +14h

More conversions

Questions and answers

What is the time difference between Chicago and South Korea?

South Korea is 14 hours ahead of Chicago.

What time is it in South Korea when it is 9 AM in Chicago?

When it is 9:00 AM in Chicago, it is 11:00 PM in South Korea.

When is the best time to call South Korea from Chicago?

Working hours don't overlap fully. The closest fit is 5:00 PM – 6:00 PM in Chicago (7:00 AM – 8:00 AM in South Korea): working hours on one side, early or late on the other.

Does the time difference between Chicago and South Korea change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.