July 20, 2026 · San Juan, Puerto Rico
Sunset in San Juan today is at 19:04. Day length is 13h 5m. See below for sunrise, solar noon, dawn and dusk — all times calculated astronomically for San Juan's coordinates and updated daily.
San Juan lies at 18°N. Near the tropics, day length stays close to 12 hours year-round, with only minor variation between seasons.
Sunset shifts later through spring and earlier through autumn — changing fastest near the equinoxes and slowest near the summer and winter solstices. See the year chart to visualise how sunset times shift month by month for San Juan.
The longest day in San Juan is around 13h 14m (around June 21). The shortest is around 11h 1m (around December 21). Days are currently getting shorter — losing about 1 minute per day.
| Month | Sunset | Sunrise | Day length |
|---|---|---|---|
| January | 18:08 | 07:00 | 11h 8m |
| February | 18:25 | 06:54 | 11h 32m |
| March | 18:35 | 06:34 | 12h 0m |
| April | 18:42 | 06:09 | 12h 33m |
| May | 18:51 | 05:52 | 12h 59m |
| June | 19:02 | 05:49 | 13h 14m |
| July | 19:05 | 05:57 | 13h 9m |
| August | 18:53 | 06:07 | 12h 46m |
| September | 18:29 | 06:13 | 12h 16m |
| October | 18:04 | 06:18 | 11h 45m |
| November | 17:48 | 06:31 | 11h 17m |
| December | 17:51 | 06:49 | 11h 2m |