Tonight's Sky · United States
Tonight from Boston
Tuesday · 15 September 2026 · 42.4° N, W
Tonight in Boston, United States, the sun sets at 18:53 local time and astronomical darkness — when even the faintest stars become visible — arrives at 20:29. The moon is in waxing crescent phase, 19% illuminated. 5 major planets are above the horizon as night falls. Sunrise comes at 06:25.
At mid-latitudes, night length varies substantially with season; summer offers shorter darkness, winter the longest. Polaris sits roughly at this latitude above the northern horizon, making it a permanent compass for navigation. The Big Dipper, Cassiopeia, and the northern circumpolar stars never set.
Sun · times tonight
Sunset
18:53
Civil twilight ends
19:21
Astronomical dark begins
20:29
Astronomical dark ends
04:49
Sunrise
06:25
Moon · waxing crescent
Illumination
19%
Moonrise
11:24
Moonset
20:43
Planets above the horizon
5 planets visible right now
Jupiter in Cancer
-1.8
↑ 03:15
↓ 17:27
Saturn in Cetus
+0.3
↑ 19:43
↓ 08:09
Mars in Gemini
+1.2
↑ 01:11
↓ 16:14
Uranus in Taurus
+5.7
↑ 21:53
↓ 12:46
Neptune in Pisces
+7.8
↑ 19:15
↓ 07:23
Venus in Virgo
-4.8
↑ 10:05
↓ 19:57
Mercury in Virgo
-0.4
↑ 07:43
↓ 19:27
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