Seoul to Chicago Time Difference
Chicago is 14 hours behind Seoul. When it is noon in Seoul, it is 22:00 in Chicago.
Seoul (UTC+9) → Chicago (UTC-5)
🕐 Interactive Time Explorer
When it's 20:00 in Seoul, it's 06:00 in Chicago
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Seoul & Chicago◐ Extended Hours (3 hours)
✈️ Travel Information
Distance
10,509 km
Est. Flight Time
~13.4h
Time Difference
-14h
Work Hours Overlap
0h
None
🔴 Office Closed
No overlap available
No overlap
⏰ Quick Conversion
06:00
Seoul
16:00
Chicago (-1)
09:00
Seoul
19:00
Chicago (-1)
12:00
Seoul
22:00
Chicago (-1)
15:00
Seoul
01:00
Chicago
18:00
Seoul
04:00
Chicago
21:00
Seoul
07:00
Chicago
00:00
Seoul
10:00
Chicago (-1)
03:00
Seoul
13:00
Chicago (-1)
Frequently Asked Questions
How many hours is Seoul ahead of Chicago?
Chicago is 14 hours behind Seoul. When it is 12:00 noon in Seoul, it is 22:00 in Chicago. Seoul operates on Asia/Seoul (UTC+9), while Chicago uses America/Chicago (UTC-5).
What is the best time to call Chicago from Seoul?
Standard business hours (9 AM–5 PM) do not overlap between Seoul and Chicago due to the 14 hours difference. Consider early morning or late evening calls, or use async communication.
Does the Seoul to Chicago time difference change throughout the year?
The time difference can shift by up to one hour when either city observes Daylight Saving Time (DST). DST transition dates differ between countries — typically March/April in the Northern Hemisphere and October in the Southern Hemisphere. Always verify the live difference above when scheduling important meetings near DST changeover dates.
Flying between Seoul and Chicago
The distance between Seoul and Chicago is approximately 10,509 km. A direct flight typically takes around 13.4 hours. Your arrival clock will show local Chicago time — use our Flight Time Calculator to predict exact arrival times.