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Time in San Juan, Puerto Rico
San Juan uses America/Puerto Rico time: AST (UTC−4) all year. San Juan does not change its clocks.
- Country
- 🇵🇷 Puerto Rico
- Time zone
- America/Puerto_Rico
- UTC offset
- UTC−4
- Abbreviation
- AST
- Coordinates
- 18.47, -66.11
- Population
- 418,140
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Working hours overlap
When a 9 am – 5 pm working day in San Juan meets one in each city, shown in San Juan time.
| With | January | July |
|---|---|---|
| London | 9:00 am – 1:00 pm (4 hours) | 9:00 am – 12:00 pm (3 hours) |
| New York | 10:00 am – 5:00 pm (7 hours) | 9:00 am – 5:00 pm (8 hours) |
| Sydney | No overlap | No overlap |
Sunrise and sunset in San Juan
Local time, 2026. The converter above shows today's.
| Day | Sunrise | Sunset | Daylight |
|---|---|---|---|
| March equinox, 20 Mar | 6:29 am | 6:36 pm | 12 h 07 min |
| June solstice, 21 Jun | 5:50 am | 7:04 pm | 13 h 14 min |
| September equinox, 22 Sep | 6:14 am | 6:22 pm | 12 h 08 min |
| December solstice, 21 Dec | 6:53 am | 5:54 pm | 11 h 01 min |
Same time as San Juan all year
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