When it is 12:00 PM in KOST, it is 8:00 PM the previous day in Chicago.
📞There is no overlap during standard 9-to-5 business hours, so a call may need to be early or late in the day for one side.
KOST is 16 hours ahead of Chicago.
🕐 Subtract 16 hours from KOST time to get Chicago time.
KOST uses 11 hours ahead of Universal Time (UTC+1) and Chicago uses 5 hours behind Universal Time (UTC-5).
| KOST Time | Chicago Time | |
|---|---|---|
| 12 AM KOST Time | ↔ | 8 AM Chicago Time |
| 1 AM KOST Time | ↔ | 9 AM Chicago Time |
| 2 AM KOST Time | ↔ | 10 AM Chicago Time |
| 3 AM KOST Time | ↔ | 11 AM Chicago Time |
| 4 AM KOST Time | ↔ | 12 PM Chicago Time |
| 5 AM KOST Time | ↔ | 1 PM Chicago Time |
| 6 AM KOST Time | ↔ | 2 PM Chicago Time |
| 7 AM KOST Time | ↔ | 3 PM Chicago Time |
| 8 AM KOST Time | ↔ | 4 PM Chicago Time |
| 9 AM KOST Time | ↔ | 5 PM Chicago Time |
| 10 AM KOST Time | ↔ | 6 PM Chicago Time |
| 11 AM KOST Time | ↔ | 7 PM Chicago Time |
| KOST Time | Chicago Time | |
|---|---|---|
| 12 PM KOST Time | ↔ | 8 PM Chicago Time |
| 1 PM KOST Time | ↔ | 9 PM Chicago Time |
| 2 PM KOST Time | ↔ | 10 PM Chicago Time |
| 3 PM KOST Time | ↔ | 11 PM Chicago Time |
| 4 PM KOST Time | ↔ | 12 AM Chicago Time |
| 5 PM KOST Time | ↔ | 1 AM Chicago Time |
| 6 PM KOST Time | ↔ | 2 AM Chicago Time |
| 7 PM KOST Time | ↔ | 3 AM Chicago Time |
| 8 PM KOST Time | ↔ | 4 AM Chicago Time |
| 9 PM KOST Time | ↔ | 5 AM Chicago Time |
| 10 PM KOST Time | ↔ | 6 AM Chicago Time |
| 11 PM KOST Time | ↔ | 7 AM Chicago Time |
KOST is 16 hours ahead of Chicago.
KOST is ahead of Chicago by 16 hours.
It is 5:00 PM the previous day in Chicago.