| Sunrise | Sunset | Daylight | |
|---|---|---|---|
| Today | 06:13 | 18:26 | 12h 13m |
| Tomorrow | 06:14 | 18:26 | 12h 12m |
| Change | +1m | — | −1m |
Positive change in sunset / daylight = days are getting longer. Negative change in sunrise = sun is rising earlier.
Today's light segments for San Juan. Amber = daylight, violet = twilight, dark = night.
Sunrise and sunset on the 1st of each month in San Juan.
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 06:57 | 17:59 | 11h 02m |
| February | 06:59 | 18:18 | 11h 19m |
| March | 06:45 | 18:31 | 11h 46m |
| April | 06:20 | 18:38 | 12h 18m |
| May | 05:58 | 18:46 | 12h 48m |
| June | 05:48 | 18:58 | 13h 10m |
| July | 05:52 | 19:05 | 13h 13m |
| August | 06:03 | 19:01 | 12h 58m |
| September | 06:11 | 18:41 | 12h 30m |
| October | 06:15 | 18:15 | 12h 00m |
| November | 06:24 | 17:53 | 11h 29m |
| December | 06:41 | 17:47 | 11h 06m |
San Juan is located at 18.47°N, 66.11°W. Its latitude determines how dramatically daylight hours change through the year.
The city uses the America/Puerto_Rico timezone (AST). It does not observe Daylight Saving Time, so solar times shift gradually through the year without abrupt clock changes.
Solar noon — the moment the sun reaches its highest point in the sky — occurs when the sun crosses the local meridian. In San Juan this falls around 12:23 in mid-summer and 12:14 in December, reflecting UTC offset and any DST adjustments.