Jeju City to Chicago time converter

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

Jeju City KST

Wednesday, October 21, 2026

Chicago CDT

Tuesday, October 20, 2026

Jeju City
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)

Jeju City to Chicago conversion table

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

Jeju CityChicago
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 Jeju City (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 Jeju City 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

Distance

Jeju City and Chicago are 10,938 km (6,797 miles) apart in a straight line.

More conversions

Chicago to Jeju CityJeju City to New YorkJeju City to LondonJeju City to Los AngelesJeju City to TorontoJeju City to São PauloJeju City to ParisJeju City to BerlinJeju City to MoscowJeju City to DubaiJeju City to New DelhiJeju City to BangkokJeju City 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 Jeju City and Chicago?

Chicago is 14 hours behind Jeju City.

What time is it in Chicago when it is 9 AM in Jeju City?

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

When is the best time to call Chicago from Jeju City?

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

Does the time difference between Jeju City 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.