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