Chicago to Seoul Time Converter
America/Chicago → Asia/Seoul
:Chicago
03:00Seoul+1 day
UTC-06:00 → UTC+09:00 (+15h)
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24-hour conversion table
| Chicago | Seoul |
|---|---|
| 00:00 | 15:00 |
| 01:00 | 16:00 |
| 02:00 | 17:00 |
| 03:00 | 18:00 |
| 04:00 | 19:00 |
| 05:00 | 20:00 |
| 06:00 | 21:00 |
| 07:00 | 22:00 |
| 08:00 | 23:00 |
| 09:00 | 00:00+1 day |
| 10:00 | 01:00+1 day |
| 11:00 | 02:00+1 day |
| 12:00 | 03:00+1 day |
| 13:00 | 04:00+1 day |
| 14:00 | 05:00+1 day |
| 15:00 | 06:00+1 day |
| 16:00 | 07:00+1 day |
| 17:00 | 08:00+1 day |
| 18:00 | 09:00+1 day |
| 19:00 | 10:00+1 day |
| 20:00 | 11:00+1 day |
| 21:00 | 12:00+1 day |
| 22:00 | 13:00+1 day |
| 23:00 | 14:00+1 day |
Time difference in 2026
- 2026-01-01–2026-03-08: Seoul is 15 h ahead of Chicago
- 2026-03-08–2026-11-01: Seoul is 14 h ahead of Chicago
- 2026-11-01–2026-12-31: Seoul is 15 h ahead of Chicago
Business hours overlap (09:00–17:00)
No overlap
About this time difference
In standard time, Seoul is 15 h ahead of Chicago. Chicago observes daylight saving time; in 2026 the clocks change on March 8 and November 1. Seoul does not observe daylight saving time (no clock changes since 1988). As a result, the time difference changes 2 times a year, ranging from 14 h to 15 h.
The two cities compared
| Chicago | Seoul | |
|---|---|---|
| Country | United States | South Korea |
| Time zone | America/Chicago | Asia/Seoul |
| Standard time (UTC offset) | UTC-06:00 | UTC+09:00 |
| Daylight saving time | Observed | Abolished in 1988 |
| Population | 2,693,000 | 9,776,000 |
Frequently asked questions
- What is the time difference between Chicago and Seoul?
- Winter: 15 h; Summer: 14 h.
- What time is it in Seoul when it is noon in Chicago?
- Winter: 03:00 in Seoul (+1 day); Summer: 02:00 in Seoul (+1 day).
- Do business hours (09:00–17:00) in the two cities overlap?
- No. Business hours (09:00–17:00) in the two cities never overlap.
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