When it is 12:00 PM in Sejong, it is 9:00 PM the previous day in CST.
📞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.
Sejong is 15 hours ahead of CST.
🕐 Subtract 15 hours from Sejong time to get CST time.
Sejong uses 9 hours ahead of Universal Time (UTC+9) and CST uses 6 hours behind Universal Time (UTC-6).
| Sejong Time | CST Time | |
|---|---|---|
| 12 AM Sejong Time | ↔ | 9 AM CST Time |
| 1 AM Sejong Time | ↔ | 10 AM CST Time |
| 2 AM Sejong Time | ↔ | 11 AM CST Time |
| 3 AM Sejong Time | ↔ | 12 PM CST Time |
| 4 AM Sejong Time | ↔ | 1 PM CST Time |
| 5 AM Sejong Time | ↔ | 2 PM CST Time |
| 6 AM Sejong Time | ↔ | 3 PM CST Time |
| 7 AM Sejong Time | ↔ | 4 PM CST Time |
| 8 AM Sejong Time | ↔ | 5 PM CST Time |
| 9 AM Sejong Time | ↔ | 6 PM CST Time |
| 10 AM Sejong Time | ↔ | 7 PM CST Time |
| 11 AM Sejong Time | ↔ | 8 PM CST Time |
| Sejong Time | CST Time | |
|---|---|---|
| 12 PM Sejong Time | ↔ | 9 PM CST Time |
| 1 PM Sejong Time | ↔ | 10 PM CST Time |
| 2 PM Sejong Time | ↔ | 11 PM CST Time |
| 3 PM Sejong Time | ↔ | 12 AM CST Time |
| 4 PM Sejong Time | ↔ | 1 AM CST Time |
| 5 PM Sejong Time | ↔ | 2 AM CST Time |
| 6 PM Sejong Time | ↔ | 3 AM CST Time |
| 7 PM Sejong Time | ↔ | 4 AM CST Time |
| 8 PM Sejong Time | ↔ | 5 AM CST Time |
| 9 PM Sejong Time | ↔ | 6 AM CST Time |
| 10 PM Sejong Time | ↔ | 7 AM CST Time |
| 11 PM Sejong Time | ↔ | 8 AM CST Time |
Sejong is 15 hours ahead of CST.
Sejong is ahead of CST by 15 hours.
It is 6:00 PM the previous day in CST.