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Astronomy

Dec. 12, 2017 Rise Solar Noon Set
Actual Time 7:27 AM EST 12:20 PM EST 5:13 PM EST
Civil Twilight 6:59 AM EST   5:42 PM EST
Nautical Twilight 6:27 AM EST   6:14 PM EST
Astronomical Twilight 5:56 AM EST   6:45 PM EST
Altitude -0.8° 31.1° -0.8°
Azimuth 118.2° 180.0° 241.7°
Hour Angle of the Sun 73.3° 73.3° -73.3°
Mean Anomaly of the Sun 338.16° 338.36° 338.56°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -100.15° -99.93° -99.70°
Sun Declination -23.11° -23.12° -23.14°
Moon 2:04 AM EST   2:10 PM EST
Length of Visible Light 10h 43m
Length of Day
9h 46m
Waning Crescent, 24% of the Moon is Illuminated
Dec 12
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter