Chicago to Seoul Time Converter
Seoul is 15 hours ahead of Chicago right now. 9:00 AM in Chicago is 12:00 AM in Seoul (next day).
Time now: Chicago and Seoul
Seoul is 15 hours ahead of Chicago right now. The gap is not fixed: it is 14 hours at some times of the year and 15 hours at others, because at least one of them changes its clocks for daylight saving time.
Chicago and Seoul are about 10,512 km (6,532 miles) apart in a straight line. Right now Chicago is on CST (UTC-06:00) and Seoul is on KST (UTC+09:00).
Chicago to Seoul conversion table
Every hour of the day, using today's time difference.
| Chicago | Seoul |
|---|---|
| 12:00 AM | 3:00 PM |
| 1:00 AM | 4:00 PM |
| 2:00 AM | 5:00 PM |
| 3:00 AM | 6:00 PM |
| 4:00 AM | 7:00 PM |
| 5:00 AM | 8:00 PM |
| 6:00 AM | 9:00 PM |
| 7:00 AM | 10:00 PM |
| 8:00 AM | 11:00 PM |
| 9:00 AM | 12:00 AMnext day |
| 10:00 AM | 1:00 AMnext day |
| 11:00 AM | 2:00 AMnext day |
| 12:00 PM | 3:00 AMnext day |
| 1:00 PM | 4:00 AMnext day |
| 2:00 PM | 5:00 AMnext day |
| 3:00 PM | 6:00 AMnext day |
| 4:00 PM | 7:00 AMnext day |
| 5:00 PM | 8:00 AMnext day |
| 6:00 PM | 9:00 AMnext day |
| 7:00 PM | 10:00 AMnext day |
| 8:00 PM | 11:00 AMnext day |
| 9:00 PM | 12:00 PMnext day |
| 10:00 PM | 1:00 PMnext day |
| 11:00 PM | 2:00 PMnext day |
Best time to meet between Chicago and Seoul
There is no overlap between 9 AM and 6 PM in both places.
If both sides can be flexible (7 AM – 10 PM):
- 4:00 PM – 10:00 PM Chicago = 7:00 AM – 1:00 PM Seoul
The time difference changes during the year because of daylight saving time, so these windows shift by an hour at other times.
Does the time difference between Chicago and Seoul change?
Yes. Right now Seoul is 15 hours ahead of Chicago. These are the dates in the next 12 months when the gap changes:
- Sunday, 14 March 2027: Chicago moves its clocks forward. Seoul is 14 hours ahead of Chicago from then (it was 15 hours before).
- Sunday, 7 November 2027: Chicago moves its clocks back. Seoul is 15 hours ahead of Chicago from then (it was 14 hours before).
Office hours in each other's time
- 9 AM to 6 PM in Chicago is 12:00 AM (next day) to 9:00 AM (next day) in Seoul.
- 9 AM to 6 PM in Seoul is 6:00 PM (previous day) to 3:00 AM in Chicago.
Based on today's clock settings.
Frequently asked questions
What is the time difference between Chicago and Seoul?
Seoul is 15 hours ahead of Chicago right now. The gap is not fixed: it is 14 hours at some times of the year and 15 hours at others, because at least one of them changes its clocks for daylight saving time.
How do I convert Chicago to Seoul?
Add 15 hours to the Chicago time to get the Seoul time (at today's difference). 9:00 AM in Chicago is 12:00 AM in Seoul (next day). Or use the converter above and pick any date and time.
What is the current time in Seoul?
It is 9:22 AM in Seoul on Tuesday, November 10 (the converter above shows it live). At the same moment it is 6:22 PM in Chicago.
Does the time difference between Chicago and Seoul change during the year?
Yes. Right now Seoul is 15 hours ahead of Chicago. Over the next 12 months the gap changes 2 times: Sunday, 14 March 2027: Chicago moves its clocks forward. Seoul is 14 hours ahead of Chicago from then (it was 15 hours before). Sunday, 7 November 2027: Chicago moves its clocks back. Seoul is 15 hours ahead of Chicago from then (it was 14 hours before).
What is the best time for a meeting between Chicago and Seoul?
The two places have no shared working hours (9 AM – 6 PM). The nearest option is 4:00 PM – 10:00 PM Chicago = 7:00 AM – 1:00 PM Seoul.