Seoul: Korean Standard Time
Seoul, South Korea uses the Asia/Seoul time zone (KST).
No clock change is scheduled; the offset stays the same all year.
Seoul to Chicago time
15 hours behind Seoul
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Seoul to Chicago conversion table
For Tuesday, November 3, 2026. Rows where both places are inside 9 AM–5 PM are highlighted.
| Seoul | Chicago |
|---|---|
| 12:00 AM | 9:00 AM (previous day) |
| 1:00 AM | 10:00 AM (previous day) |
| 2:00 AM | 11:00 AM (previous day) |
| 3:00 AM | 12:00 PM (previous day) |
| 4:00 AM | 1:00 PM (previous day) |
| 5:00 AM | 2:00 PM (previous day) |
| 6:00 AM | 3:00 PM (previous day) |
| 7:00 AM | 4:00 PM (previous day) |
| 8:00 AM | 5:00 PM (previous day) |
| 9:00 AM | 6:00 PM (previous day) |
| 10:00 AM | 7:00 PM (previous day) |
| 11:00 AM | 8:00 PM (previous day) |
| 12:00 PM | 9:00 PM (previous day) |
| 1:00 PM | 10:00 PM (previous day) |
| 2:00 PM | 11:00 PM (previous day) |
| 3:00 PM | 12:00 AM |
| 4:00 PM | 1:00 AM |
| 5:00 PM | 2:00 AM |
| 6:00 PM | 3:00 AM |
| 7:00 PM | 4:00 AM |
| 8:00 PM | 5:00 AM |
| 9:00 PM | 6:00 AM |
| 10:00 PM | 7:00 AM |
| 11:00 PM | 8:00 AM |
About these time zones
Chicago: Central Standard Time
Chicago, Illinois uses the America/Chicago time zone (CST).
Sunday, March 14, 2027: clocks go forward 1 hour at 2:00 AM local time (UTC−6 → UTC−5).
Questions about Seoul and Chicago time
What is the time difference between Seoul and Chicago?
The current difference is shown at the top of this page. Seoul uses Korean Standard Time (KST, UTC+9) all year; Chicago uses Central Standard Time (CST, UTC−6) as standard time and Central Daylight Time (CDT, UTC−5) during daylight saving time. The difference can change if only one side observes daylight saving time or if their clocks change on different dates. Choose your meeting date in the converter to check the applicable offset.
When it is 9:00 AM in Seoul, what time is it in Chicago?
On Tuesday, November 3, 2026, 9:00 AM in Seoul was 6:00 PM (previous day) in Chicago. The conversion table above shows today’s values.
Do the clocks change in Seoul or Chicago?
Seoul does not change its clocks. Chicago: Sunday, March 14, 2027: clocks go forward 1 hour at 2:00 AM local time (UTC−6 → UTC−5).
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