Chicago, United States Seoul, South Korea
Compare time between Chicago and Seoul
Frequently Asked Questions
Chicago is in the CDT timezone (UTC-5) and Seoul is in the KST timezone (UTC+9). The time difference between them is 14 hours.
Use the timeline above to find overlapping business hours between Chicago and Seoul. The "Best time to meet" card highlights the window where both cities are within working hours (9 AM – 6 PM local time).
Chicago observes Daylight Saving Time, while Seoul does not. When DST is active in Chicago, the time difference changes by 1 hour.
Click the pencil icon next to the Chicago clock and type any time. The Seoul clock will update instantly, showing the exact corresponding time. You can also pick a date to account for DST changes.