Time Difference Between Chicago and Seoul

Chicago is 14h 0m behind Seoul. This difference shifts by an hour around daylight saving time changes.

Chicago, United States
11:09:57PM

Monday, June 22, 2026

UTC-5 · CDT

Seoul, South Korea
1:09:57PM

Tuesday, June 23, 2026

UTC+9

Best time to connect

Standard working hours (9:00 AM–5:00 PM) in Chicago fall between 11:00 PM and 7:00 AM (next day) in Seoul.

Convert a specific time from Chicago to Seoul

Frequently asked questions

How many hours is Seoul ahead of Chicago?
Chicago is 14h 0m behind Seoul. Note that this changes by an hour across daylight saving time transitions.
Do Chicago and Seoul observe daylight saving time?
Chicago observes daylight saving time, and Seoul does not observe it. Because of that, the gap is 15h 0m for part of the year and 14h 0m for the rest.