San Juan
Sunrise and sunset in San Juan
Today’s sunrise, sunset and twilight in San Juan, in local time. At 18.5° N, the day lasts from 11 h 01 min at the winter solstice to 13 h 14 min at the summer solstice.
Today · worked out at
Wednesday, October 21: sunrise at 06:20, sunset at 17:57.
Day length 11 h 38 min, 58 s shorter than yesterday.
Solar noon at 12:08, with the Sun 61° above the horizon.
Times are San Juan time (AST).
Twilight and golden hour today
| Today | Morning | Evening |
|---|---|---|
| Astronomical twilight | 05:06 | 19:10 |
| Nautical twilight | 05:32 | 18:45 |
| Civil twilight | 05:57 | 18:19 |
| Sunrise and sunset | 06:20 | 17:57 |
| Golden hour | 06:20–06:49 | 17:28–17:57 |
Each twilight begins at the morning time and ends at the evening one.
The year in San Juan
- Longest day: June 21, 13 h 14 min, from sunrise at 05:49 to sunset at 19:03.
- Shortest day: December 21, 11 h 01 min, from sunrise at 06:51 to sunset at 17:53.
Sunrise and sunset on the 21st of each month, 2026
| Date | Sunrise | Sunset | Day length |
|---|---|---|---|
| January 21 | 06:59 | 18:12 | 11 h 12 min |
| February 21 | 06:48 | 18:27 | 11 h 39 min |
| March 21 | 06:27 | 18:35 | 12 h 08 min |
| April 21 | 06:03 | 18:43 | 12 h 40 min |
| May 21 | 05:48 | 18:53 | 13 h 04 min |
| June 21 | 05:49 | 19:03 | 13 h 14 min |
| July 21 | 05:58 | 19:03 | 13 h 05 min |
| August 21 | 06:07 | 18:47 | 12 h 39 min |
| September 21 | 06:13 | 18:21 | 12 h 08 min |
| October 21 | 06:20 | 17:57 | 11 h 38 min |
| November 21 | 06:34 | 17:46 | 11 h 12 min |
| December 21 | 06:51 | 17:53 | 11 h 01 min |
Good to know
- Sunrise and sunset are when the top of the Sun meets a level horizon, allowing for the usual bending of light by the air. Hills, buildings and height shift what you see by a few minutes.
- Civil, nautical and astronomical twilight end when the Sun is 6°, 12° and 18° below the horizon. Golden hour here is the photographers’ usual definition: the Sun less than 6° above it.
- Worked out when the page loads from NOAA’s solar equations, for 18.5° N, 66.1° W, and accurate to about a minute.
How the layers work, where their data comes from and what they can’t tell you: Day and night, live, The Sun, Moon and planets
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