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Source: NOAA SWPC

Astronomy & Aurora Tonight in San Juan, PR

2026-10-07 · times in America/Puerto_Rico · 18.47°N, 66.11°W

Sunrise, Sunset & Twilight

EventTime
Sunrise6:16 AM
Sunset6:07 PM
Day length11 h 52 min
End of civil twilight6:29 PM
End of nautical twilight6:55 PM
End of astronomical twilight7:20 PM
Night length (sunset to sunrise)12 h 09 min
Fully dark sky tonight9 h 44 min
Astronomical twilight starts (morning)5:03 AM

Moon

Moonrise3:25 AM
Moonset4:11 PM
Illumination9.2%
PhaseWaning Crescent
Sublunar point (Moon overhead)7.19°N, 146.97°W
Sublunar point ground speed1,603 km/h

Moon values are for the moment this page was generated (19:24 UTC). A moonrise or moonset can be missing on a given date.

Planets Tonight

PlanetRiseSetMeridianVisibility
Mercury (mag -0.1)8:02 AM7:21 PM1:42 PMVisible about 0.5 h after dark, highest 11° toward the W.
Venus (mag -4.6)7:59 AM7:03 PM1:31 PMVisible about 0.3 h after dark, highest 7° toward the SW.
Mars (mag 1.1)1:22 AM2:22 PM7:52 AMVisible about 4 h after dark, highest 60° toward the E.
Jupiter (mag -1.9)2:30 AM3:15 PM8:52 AMVisible about 3 h after dark, highest 46° toward the E.
Saturn (mag 0.2)5:58 PM6:09 AM12:06 AMVisible about 11.3 h after dark, highest 73° toward the S.

Aurora Tonight

Aurora near poles only. San Juan is too far from them to see regular aurora; it would take an extreme geomagnetic storm. See the live aurora forecast.

Nearby Locations

All cities in San Juan · All regions in Puerto Rico · Astronomy hub