When it is 12:00 PM in Usa, it is 8:00 PM the previous day in San Diego.
📞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 16 hours ahead of San Diego.
🕐 Subtract 16 hours from Usa time to get San Diego time.
Usa uses 9 hours ahead of Universal Time (UTC+9) and San Diego uses 7 hours behind Universal Time (UTC-7).
| Usa Time | San Diego Time | |
|---|---|---|
| 12 AM Usa Time | ↔ | ☼ 8 AM San Diego Time |
| 1 AM Usa Time | ↔ | ☼ 9 AM San Diego Time |
| 2 AM Usa Time | ↔ | ☼ 10 AM San Diego Time |
| 3 AM Usa Time | ↔ | ☼ 11 AM San Diego Time |
| 4 AM Usa Time | ↔ | ☼ 12 PM San Diego Time |
| ☼ 5 AM Usa Time | ↔ | ☼ 1 PM San Diego Time |
| ☼ 6 AM Usa Time | ↔ | ☼ 2 PM San Diego Time |
| ☼ 7 AM Usa Time | ↔ | ☼ 3 PM San Diego Time |
| ☼ 8 AM Usa Time | ↔ | ☼ 4 PM San Diego Time |
| ☼ 9 AM Usa Time | ↔ | ☼ 5 PM San Diego Time |
| ☼ 10 AM Usa Time | ↔ | ☼ 6 PM San Diego Time |
| ☼ 11 AM Usa Time | ↔ | ☼ 7 PM San Diego Time |
| Usa Time | San Diego Time | |
|---|---|---|
| ☼ 12 PM Usa Time | ↔ | 8 PM San Diego Time |
| ☼ 1 PM Usa Time | ↔ | 9 PM San Diego Time |
| ☼ 2 PM Usa Time | ↔ | 10 PM San Diego Time |
| ☼ 3 PM Usa Time | ↔ | 11 PM San Diego Time |
| ☼ 4 PM Usa Time | ↔ | 12 AM San Diego Time |
| ☼ 5 PM Usa Time | ↔ | 1 AM San Diego Time |
| ☼ 6 PM Usa Time | ↔ | 2 AM San Diego Time |
| ☼ 7 PM Usa Time | ↔ | 3 AM San Diego Time |
| 8 PM Usa Time | ↔ | 4 AM San Diego Time |
| 9 PM Usa Time | ↔ | ☼ 5 AM San Diego Time |
| 10 PM Usa Time | ↔ | ☼ 6 AM San Diego Time |
| 11 PM Usa Time | ↔ | ☼ 7 AM San Diego Time |
Usa is 16 hours ahead of San Diego.
Usa is ahead of San Diego by 16 hours.
It is 5:00 PM the previous day in San Diego.