Seoul is 14 hours ahead of Chicago. When it is noon in Chicago, it is 2:00 AM (next day) in Seoul. The same gap applies whether you look at it as Chicago to Seoul or Seoul to Chicago.
Seoul is 14 hours ahead of Chicago, usually.
The gap is not constant. Because Chicago changes its clocks for daylight saving time and Seoul does not, the difference becomes 15 hours for part of the year. The live section above shows the exact gap right now and when it next changes.
| Chicago | Seoul |
|---|---|
| 6:00 AM | 8:00 PM |
| 9:00 AM | 11:00 PM |
| 12:00 PM | 2:00 AM (next day) |
| 3:00 PM | 5:00 AM (next day) |
| 6:00 PM | 8:00 AM (next day) |
| 9:00 PM | 11:00 AM (next day) |
Based on the usual 14 hours gap.
Chicago and Seoul have no overlap in standard 9-to-5 working hours, so one side needs to start early or finish late. If you stretch the day to 7 AM to 10 PM in both cities, the shared window is 5:00 PM to 10:00 PM in Chicago (7:00 AM to 12:00 PM (next day) in Seoul).
The best time to call is around 7:30 PM in Chicago (9:30 AM (next day) in Seoul). That time falls outside standard 9-to-5 hours in at least one city. These times use the usual gap; for a few weeks each year, shift them by the difference noted above.
Seoul is 14 hours ahead of Chicago, usually. It becomes 15 hours for part of the year.
Seoul is 14 hours ahead of Chicago.
Yes. The usual gap is 14 hours, but because Chicago changes its clocks for daylight saving time and Seoul does not, it becomes 15 hours for part of the year. The live section above lists the next changes.
The best time to call is around 7:30 PM in Chicago (9:30 AM (next day) in Seoul). That time falls outside standard 9-to-5 hours in at least one city.