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