- Type a city, a country or a zone such as “CET” or “Tokyo”.
Current local time in San Juan, Puerto Rico
America/Puerto_Rico
Observatory log
San Juan, observed
- 01Time zone
Atlantic Standard Time
AST · UTC−4 · IANA
America/Puerto_Rico- 02Daylight saving
Puerto Rico does not observe daylight saving time.
Clocks stay on AST (UTC−4) all year. No change is scheduled in tzdata 2026e.
- 03Sun today
- Sunrise06:19Sunset17:59Day length11 h 41 minSolar noon12:09
MoonFirst quarter, 50% lit
Golden hour06:06–06:49 · 17:30–18:13
- 04Working hours
Counted as 09:00–17:00 local; the weekend in Puerto Rico is Saturday and Sunday.
- 05Best time to call
- 06Time zones in Puerto Rico
Puerto Rico uses a single time zone: America/Puerto_Rico.
- 07Also on this clock
- 08Coordinates
18.44° N, 66.13° W
Differences
San Juan and the world
| City | Local time | Difference from San JuanDiff. |
|---|---|---|
 London | +5 h | |
 New York | Same time | |
| Los Angeles | −3 h | |
| Chicago | −1 h | |
 São Paulo | +1 h | |
 Paris | +6 h | |
 Dubai | +8 h | |
 Mumbai | +9 h 30 min | |
 Singapore | +12 h | |
 Hong Kong | +12 h | |
 Tokyo | +13 h |
Nearby places
Questions
Asked about San Juan
What time zone is San Juan in?
San Juan uses Atlantic Standard Time (AST), UTC−4. Its IANA time-zone ID is America/Puerto_Rico.
Does Puerto Rico use daylight saving time?
No. Puerto Rico does not observe daylight saving time: the clocks stay on Atlantic Standard Time (UTC−4) all year.
When does the sun rise and set in San Juan today?
Today in San Juan the sun rises at 06:19 and sets at 17:59, giving 11 h 41 min of daylight.