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