Time difference
Time difference between Chicago and Seoul
Find the best time to schedule a call or meeting.
Seoul is currently 14 hours ahead of Chicago.
Chicago • CDT
5:26 AM
Thursday, Jun 18
Seoul • GMT+9
7:26 PM
Thursday, Jun 18
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Best times to meet
Standard 9 AM – 5 PM hours in Chicago and Seoul do not overlap. The least-bad options are an early start in one city or a late evening call in the other — for example a 7–8 AM meeting in Chicago, or a 6–8 PM meeting in Seoul.
Quick conversion table
| Chicago | Seoul |
|---|---|
| 8 AM | 10:00 PM |
| 12 PM | 2:00 AM (next day) |
| 3 PM | 5:00 AM (next day) |
| 5 PM | 7:00 AM (next day) |
| 9 PM | 11:00 AM (next day) |
Daylight saving
Heads up: the gap will widen to 15 hours around November 5, when one of the cities shifts for daylight saving. Double-check meeting times scheduled across that date.
Frequently asked questions
- How many hours ahead is Seoul than Chicago?
- Seoul is 14 hours ahead of Chicago.
- What time is 9 AM in Chicago in Seoul?
- 9:00 AM in Chicago is 11:00 PM in Seoul.
- Do Chicago and Seoul observe daylight saving?
- Heads up: the gap will widen to 15 hours around November 5, when one of the cities shifts for daylight saving. Double-check meeting times scheduled across that date.
- When is the best time to call Seoul from Chicago?
- Chicago and Seoul business hours don't overlap. The closest options are early mornings in Chicago or late evenings, when one side stretches outside 9–5.