When it is 12:00 PM in Guelma, it is 8:00 PM in KST.
📞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.
Guelma is 8 hours behind KST.
🕐 Add 8 hours to Guelma time to get KST time.
Guelma uses 1 hour ahead of Universal Time (UTC+1) and KST uses 9 hours ahead of Universal Time (UTC+9).
| Guelma Time | KST Time | |
|---|---|---|
| 12 AM Guelma Time | ↔ | 8 AM KST Time |
| 1 AM Guelma Time | ↔ | 9 AM KST Time |
| 2 AM Guelma Time | ↔ | 10 AM KST Time |
| 3 AM Guelma Time | ↔ | 11 AM KST Time |
| 4 AM Guelma Time | ↔ | 12 PM KST Time |
| 5 AM Guelma Time | ↔ | 1 PM KST Time |
| 6 AM Guelma Time | ↔ | 2 PM KST Time |
| 7 AM Guelma Time | ↔ | 3 PM KST Time |
| 8 AM Guelma Time | ↔ | 4 PM KST Time |
| 9 AM Guelma Time | ↔ | 5 PM KST Time |
| 10 AM Guelma Time | ↔ | 6 PM KST Time |
| 11 AM Guelma Time | ↔ | 7 PM KST Time |
| Guelma Time | KST Time | |
|---|---|---|
| 12 PM Guelma Time | ↔ | 8 PM KST Time |
| 1 PM Guelma Time | ↔ | 9 PM KST Time |
| 2 PM Guelma Time | ↔ | 10 PM KST Time |
| 3 PM Guelma Time | ↔ | 11 PM KST Time |
| 4 PM Guelma Time | ↔ | 12 AM KST Time |
| 5 PM Guelma Time | ↔ | 1 AM KST Time |
| 6 PM Guelma Time | ↔ | 2 AM KST Time |
| 7 PM Guelma Time | ↔ | 3 AM KST Time |
| 8 PM Guelma Time | ↔ | 4 AM KST Time |
| 9 PM Guelma Time | ↔ | 5 AM KST Time |
| 10 PM Guelma Time | ↔ | 6 AM KST Time |
| 11 PM Guelma Time | ↔ | 7 AM KST Time |
Guelma is 8 hours behind KST.
Guelma is behind KST by 8 hours.
It is 5:00 PM in KST.