Time difference between Chicago and Seoul: 14 hours
Chicago is 14 hours behind Seoul
Best time for a call or meeting
Chicago 07:00–08:00 = Seoul 21:00–22:00 Chicago 17:00–22:00 = Seoul 07:00–12:00
Business hours never overlap, so these are the hours when both cities are awake (7:00–22:00).
Convert a specific time
Hour-by-hour conversion
| Chicago | Seoul |
|---|---|
| 00:00 | 14:00 |
| 01:00 | 15:00 |
| 02:00 | 16:00 |
| 03:00 | 17:00 |
| 04:00 | 18:00 |
| 05:00 | 19:00 |
| 06:00 | 20:00 |
| 07:00 | 21:00 |
| 08:00 | 22:00 |
| 09:00 | 23:00 |
| 10:00 | 00:00 |
| 11:00 | 01:00 |
| 12:00 | 02:00 |
| 13:00 | 03:00 |
| 14:00 | 04:00 |
| 15:00 | 05:00 |
| 16:00 | 06:00 |
| 17:00 | 07:00 |
| 18:00 | 08:00 |
| 19:00 | 09:00 |
| 20:00 | 10:00 |
| 21:00 | 11:00 |
| 22:00 | 12:00 |
| 23:00 | 13:00 |
Daylight saving time can change the difference by season. Shown values reflect the current offset.
Frequently asked questions
How many hours is the time difference between Chicago and Seoul?
Chicago is 14 hours behind Seoul. When it is 12:00 noon in Chicago, it is 02:00 (next day) in Seoul.
Does daylight saving time affect the difference?
Yes. One or both places observe daylight saving time, so the difference changes with the season. This page shows the current difference.
What is the best time for a call or meeting?
Chicago 07:00–08:00 = Seoul 21:00–22:00 / Chicago 17:00–22:00 = Seoul 07:00–12:00. Business hours never overlap, so these are the hours when both cities are awake (7:00–22:00).