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Astronomy

Dec. 13, 2017 Rise Solar Noon Set
Actual Time 7:14 AM EST 11:50 AM EST 4:25 PM EST
Civil Twilight 6:42 AM EST   4:57 PM EST
Nautical Twilight 6:07 AM EST   5:32 PM EST
Astronomical Twilight 5:34 AM EST   6:05 PM EST
Altitude -0.8° 25.1° -0.8°
Azimuth 120.9° 180.0° 239.0°
Hour Angle of the Sun 68.9° 68.9° -68.9°
Mean Anomaly of the Sun 339.13° 339.32° 339.51°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -99.06° -98.85° -98.64°
Sun Declination -23.17° -23.19° -23.20°
Moon 2:34 AM EST (12/13)   2:05 PM EST (12/13)
Length of Visible Light 10h 14m
Length of Day
9h 11m
Waning Crescent, 15% of the Moon is Illuminated
Dec 13
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter