Seoul, South Korea
Sat, Jul 4, 2026 23:37
- Timezone
- Asia/Seoul
- UTC offset
- UTC+09:00
- Daylight saving
- No
Seoul and Chicago Time Difference
Compare Seoul vs Chicago time, current local times, UTC offset difference, daylight saving status, and the best time to plan meetings or travel.
Quick Answer
What is the time difference between Seoul and Chicago?
The live comparison below shows both local times, current UTC offsets, daylight saving status, and whether Chicago is ahead of or behind Seoul.
Current time difference
Chicago, United States
Sat, Jul 4, 2026 09:37
- Timezone
- America/Chicago
- UTC offset
- UTC-05:00
- Daylight saving
- Yes
Time difference
Chicago is 14 hours behind Seoul
UTC offset difference
-14:00
Suggested call window
No direct overlap between the from-city acceptable hours and target-city work hours. Closest recommendation: Sat, Jul 4, 07:30 / Fri, Jul 3, 17:30
Calculated using initiator awake hours of 08:00-23:00 and recipient office hours of 09:00-18:00.
Dynamic Time Difference
Seoul is 14 hours ahead of Chicago
The difference changes during 2026 because Seoul keeps a fixed UTC offset and Chicago changes UTC offset during the year. Jan 1-Mar 7: Seoul is 15 hours ahead of Chicago; Mar 8-Oct 31: Seoul is 14 hours ahead of Chicago; Nov 1-Dec 31: Seoul is 15 hours ahead of Chicago.
Seoul
UTC+09:00 · No seasonal offset change detected
Chicago
UTC-05:00 · Seasonal clock changes; DST is active now
Business Call Window
09:00-18:00 work-hour overlap
The standard workdays do not overlap. Consider 23:00 in Seoul / 09:00 in Chicago, or 18:00 in Seoul / 04:00 in Chicago. Confirm the edge-of-day option before calling.
24-Hour Conversion Table
Seoul to Chicago hourly time conversion
The table uses today's active UTC offsets. Seasonal rows can shift when daylight saving time changes.
| Seoul | Chicago |
|---|---|
| 00:00 | 10:00 (previous day) |
| 01:00 | 11:00 (previous day) |
| 02:00 | 12:00 (previous day) |
| 03:00 | 13:00 (previous day) |
| 04:00 | 14:00 (previous day) |
| 05:00 | 15:00 (previous day) |
| 06:00 | 16:00 (previous day) |
| 07:00 | 17:00 (previous day) |
| 08:00 | 18:00 (previous day) |
| 09:00 | 19:00 (previous day) |
| 10:00 | 20:00 (previous day) |
| 11:00 | 21:00 (previous day) |
| 12:00 | 22:00 (previous day) |
| 13:00 | 23:00 (previous day) |
| 14:00 | 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 |
FAQ
What is the current time difference between Seoul and Chicago?
Seoul is 14 hours ahead of Chicago. This uses the active IANA timezone offsets for today.
When does the Seoul-Chicago time difference change in 2026?
The difference changes during 2026 because Seoul keeps a fixed UTC offset and Chicago changes UTC offset during the year. Jan 1-Mar 7: Seoul is 15 hours ahead of Chicago; Mar 8-Oct 31: Seoul is 14 hours ahead of Chicago; Nov 1-Dec 31: Seoul is 15 hours ahead of Chicago.
What are the current UTC offsets for Seoul and Chicago?
Seoul is currently UTC+09:00; Chicago is currently UTC-05:00.
Which direction does the clock change when flying from Seoul to Chicago?
Travelers from Seoul to Chicago move their clock back by 14 hours.
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