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Astronomy

Dec. 13, 2017 Rise Solar Noon Set
Actual Time 7:34 AM EST 12:13 PM EST 4:53 PM EST
Civil Twilight 7:03 AM EST   5:24 PM EST
Nautical Twilight 6:29 AM EST   5:58 PM EST
Astronomical Twilight 5:56 AM EST   6:31 PM EST
Altitude -0.8° 26.5° -0.8°
Azimuth 120.3° 180.0° 239.7°
Hour Angle of the Sun 69.9° 69.9° -69.9°
Mean Anomaly of the Sun 339.15° 339.34° 339.53°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -99.04° -98.83° -98.62°
Sun Declination -23.17° -23.19° -23.20°
Moon 2:58 AM EST   2:31 PM EST
Length of Visible Light 10h 21m
Length of Day
9h 19m
Waning Crescent, 17% of the Moon is Illuminated
Dec 13
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter