Time zone
Atlantic Standard Time (AST), UTC−4. IANA zone America/Puerto_Rico.
Time in Puerto Rico
Time in San Juan now
Tuesday, November 3, 2026
AST · UTC−4 Atlantic Standard Time
- Sunrise
- 6:24 AM
- Sunset
- 5:50 PM
- Day length
- 11 h 26 min
- Daylight saving
- Not observed
San Juan time zone
Clock changes
San Juan does not change its clocks; it stays on UTC−4 all year.
Location
San Juan, Puerto Rico. Coordinates 18.47° N, 66.11° W; population about 418,140.
Sunrise and sunset in San Juan today
- Dawn (civil)
- 6:02 AM
- Sunrise
- 6:24 AM
- Solar noon
- 12:07 PM
- Sunset
- 5:50 PM
- Dusk (civil)
- 6:13 PM
- Day length
- 11 h 26 min
- Night length
- 12 h 34 min
- Golden hour, morning
- 6:11 AM – 6:55 AM
- Golden hour, evening
- 5:20 PM – 6:04 PM
- Blue hour, morning
- 6:02 AM – 6:11 AM
- Blue hour, evening
- 6:04 PM – 6:13 PM
Calculated for the city centre at sea level; accurate to about a minute. Golden hour is when the sun is between 4° below and 6° above the horizon; blue hour between 6° and 4° below. See the whole month or another date.
San Juan time compared with other cities
Hour comparison appears when this page finishes loading.
| City | Local time | Difference from San Juan |
|---|---|---|
| New York City, New York | 7:00 AM | 1 hour behind San Juan |
| Los Angeles, California | 4:00 AM | 4 hours behind San Juan |
| Chicago, Illinois | 6:00 AM | 2 hours behind San Juan |
| Denver, Colorado | 5:00 AM | 3 hours behind San Juan |
| Phoenix, Arizona | 5:00 AM | 3 hours behind San Juan |
| Honolulu, Hawaii | 2:00 AM | 6 hours behind San Juan |
| Anchorage, Alaska | 3:00 AM | 5 hours behind San Juan |
| Toronto, Canada | 7:00 AM | 1 hour behind San Juan |
| Vancouver, Canada | 5:00 AM | 3 hours behind San Juan |
| Mexico City, Mexico | 6:00 AM | 2 hours behind San Juan |
| São Paulo, Brazil | 9:00 AM | 1 hour ahead of San Juan |
| Buenos Aires, Argentina | 9:00 AM | 1 hour ahead of San Juan |
| London, United Kingdom | 12:00 PM | 4 hours ahead of San Juan |
| Dublin, Ireland | 12:00 PM | 4 hours ahead of San Juan |
Questions about time in San Juan
What time zone is San Juan in?
San Juan uses Atlantic Standard Time (AST, UTC−4) all year. Its IANA time-zone identifier is America/Puerto_Rico, which is what phones and computers use to set the local time.
Does San Juan observe daylight saving time?
No. San Juan stays on UTC−4 all year, so its clocks do not change for daylight saving time.
How far is San Juan from UTC?
San Juan is 4 hours behind UTC.
What time is sunrise and sunset in San Juan today?
The table above shows today’s sunrise, sunset and day length for the city centre. As an example, on Tuesday, November 3, 2026 the sun rose at 6:24 AM and set at 5:50 PM, giving 11 h 26 min of daylight.
Near San Juan
- Santo Domingo, Dominican Republic 399 km
- Santiago de los Caballeros, Dominican Republic 494 km
- Port-au-Prince, Haiti 657 km
- Willemstad, Curaçao 766 km
- Caracas, Venezuela 891 km
- Barcelona, Venezuela 939 km
- Valencia, Venezuela 946 km
- Barquisimeto, Venezuela 998 km