San Juan time: UTC-4 all year
San Juan has no clock change scheduled in the next year. January and July both use UTC-4.
San Juan on 15 October 2026: sunrise 06:18, sunset 18:01, day length 11 h 44 min.
Place| Fact | Value |
|---|
| Time zone | America/Puerto_Rico |
| Offset | UTC-4 |
| Region | San Juan |
| Latitude | 18.4663 |
| Longitude | -66.1057 |
| Population | 418,140 |
San Juan has no clock change scheduled in the next year. January and July both use UTC-4.
Sun this year| Fact | Value |
|---|
| Longest day | 21 June 2026, 13 h 14 min |
| Shortest day | 21 December 2026, 11 h 1 min |
| Earliest sunrise | 05:47 on 5 June 2026 |
| Latest sunset | 19:05 on 6 July 2026 |
| Golden hour on the longest day | 21 June morning 05:49 to 06:20, evening 18:32 to 19:03 |
Next public holidays| Date | Holiday |
|---|
| 11 November 2026 | Día del Veterano |
| 19 November 2026 | Día del Descubrimiento de Puerto Rico |
| 26 November 2026 | Acción de Gracias |
Working hours overlap| City | 09:00 to 17:00 |
|---|
| London | San Juan 09:00 to 12:00; London 14:00 to 17:00 |
| New York | San Juan 09:00 to 17:00; New York 09:00 to 17:00 |