South Korea to Chicago time converter

Chicago is 14 hours behind South Korea. When it is 9:00 AM in South Korea, it is 7:00 PM (Tue, Oct 20) in Chicago.

South Korea KST

Wednesday, October 21, 2026

Chicago CDT

Tuesday, October 20, 2026

South Korea
Wed, Oct 21
KSTUTC+9
Chicago
Illinois, United States
Tue, Oct 20
CDTUTC-5-14h
Finding your time zone…
Shared working hours (9:00–18:00)

South Korea to Chicago conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

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

  • Oct 21, 2026 – Nov 1, 2026: -14h
  • Nov 1, 2026 – Mar 14, 2027: -15h
  • Mar 14, 2027 – Oct 21, 2027: -14h

More conversions

Chicago to South KoreaSouth Korea to New YorkSouth Korea to LondonSouth Korea to Los AngelesSouth Korea to TorontoSouth Korea to São PauloSouth Korea to ParisSouth Korea to BerlinSouth Korea to MoscowSouth Korea to DubaiSouth Korea to New DelhiSouth Korea to BangkokSouth Korea to Singapore
New York to ChicagoLondon to ChicagoLos Angeles to ChicagoToronto to ChicagoSão Paulo to ChicagoParis to ChicagoBerlin to ChicagoMoscow to ChicagoDubai to ChicagoNew Delhi to ChicagoBangkok to ChicagoSingapore to Chicago

Questions and answers

What is the time difference between South Korea and Chicago?

Chicago is 14 hours behind South Korea.

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

When it is 9:00 AM in South Korea, it is 7:00 PM (Tue, Oct 20) in Chicago.

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

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

Does the time difference between South Korea and Chicago change?

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