Chicago to Jeju City time converter

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

Chicago CDT

Tuesday, October 20, 2026

Jeju City KST

Wednesday, October 21, 2026

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

Chicago to Jeju City conversion table

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

ChicagoJeju City
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 Jeju City): 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 Jeju City 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

Distance

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

More conversions

Jeju City to ChicagoChicago to New YorkChicago to LondonChicago to Los AngelesChicago to TorontoChicago to São PauloChicago to ParisChicago to BerlinChicago to MoscowChicago to DubaiChicago to New DelhiChicago to BangkokChicago to Singapore
New York to Jeju CityLondon to Jeju CityLos Angeles to Jeju CityToronto to Jeju CitySão Paulo to Jeju CityParis to Jeju CityBerlin to Jeju CityMoscow to Jeju CityDubai to Jeju CityNew Delhi to Jeju CityBangkok to Jeju CitySingapore to Jeju City

Questions and answers

What is the time difference between Chicago and Jeju City?

Jeju City is 14 hours ahead of Chicago.

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

When it is 9:00 AM in Chicago, it is 11:00 PM in Jeju City.

When is the best time to call Jeju City 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 Jeju City): working hours on one side, early or late on the other.

Does the time difference between Chicago and Jeju City change?

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