Convert dates and times between San Juan (America/Puerto_Rico) and Shanghai (Asia/Shanghai). Handles daylight-saving automatically. Shanghai is currently 12 hours ahead of San Juan.
What time is it in Shanghai when it's business hours in San Juan? The table converts every hour of the day from San Juan time to Shanghai time. Highlighted rows are working hours (9:00–17:00) in both cities — the best window to schedule a call or meeting.
| San Juan | Shanghai |
|---|---|
| 0:00 | 12:00 |
| 1:00 | 13:00 |
| 2:00 | 14:00 |
| 3:00 | 15:00 |
| 4:00 | 16:00 |
| 5:00 | 17:00 |
| 6:00 | 18:00 |
| 7:00 | 19:00 |
| 8:00 | 20:00 |
| 9:00 | 21:00 |
| 10:00 | 22:00 |
| 11:00 | 23:00 |
| 12:00 | 0:00 (+1) |
| 13:00 | 1:00 (+1) |
| 14:00 | 2:00 (+1) |
| 15:00 | 3:00 (+1) |
| 16:00 | 4:00 (+1) |
| 17:00 | 5:00 (+1) |
| 18:00 | 6:00 (+1) |
| 19:00 | 7:00 (+1) |
| 20:00 | 8:00 (+1) |
| 21:00 | 9:00 (+1) |
| 22:00 | 10:00 (+1) |
| 23:00 | 11:00 (+1) |
Highlighted: business hours (9:00–17:00) in both cities