Time difference between Chicago and Seoul
World time board
Chicago · United StatesUTC-05:00
03:10 AMSAT 03.10.2026
Now 03:10 AM|Live
Drag or scroll · click an hour · ◀ ▶ by hour · 3 days of range
Work–
daydawn / dusknight
- Time difference
- Chicago is 14 hours behind
- Changes with DST
- Yes
- Day difference
- Same day
- Typical workday overlap (9am–6pm)
- None
| 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+1 |
| 11:00 | 01:00+1 |
| 12:00 | 02:00+1 |
| 13:00 | 03:00+1 |
| 14:00 | 04:00+1 |
| 15:00 | 05:00+1 |
| 16:00 | 06:00+1 |
| 17:00 | 07:00+1 |
| 18:00 | 08:00+1 |
| 19:00 | 09:00+1 |
| 20:00 | 10:00+1 |
| 21:00 | 11:00+1 |
| 22:00 | 12:00+1 |
| 23:00 | 13:00+1 |
How the time difference changes over the next 12 months
| Period | Difference |
|---|---|
| until November 1, 2026 | Chicago is 14 hours behind |
| November 1, 2026 – March 14, 2027 | Chicago is 15 hours behind |
| from March 14, 2027 | Chicago is 14 hours behind |
Only Chicago changes its clocks, so the difference shifts twice a year.
Working hours
With a 9:00 AM–6:00 PM working day in both places, there are no shared hours: 9:00 AM in Chicago is 11:00 PM in Seoul.
From 10:00 AM to midnight in Chicago, it is already the next day in Seoul.
Frequently asked questions
- What is the time difference between Chicago and Seoul?
- Chicago is 14 hours behind Seoul. November 1, 2026 – March 14, 2027: Chicago is 15 hours behind Seoul.
- Does the time difference between Chicago and Seoul change during the year?
- Yes. Only Chicago changes its clocks, so the difference shifts twice a year. November 1, 2026 – March 14, 2027: Chicago is 15 hours behind Seoul.