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