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Astronomy

Dec. 13, 2017 Rise Solar Noon Set
Actual Time 7:32 AM EST 12:33 PM EST 5:34 PM EST
Civil Twilight 7:05 AM EST   6:01 PM EST
Nautical Twilight 6:34 AM EST   6:32 PM EST
Astronomical Twilight 6:04 AM EST   7:02 PM EST
Altitude -0.8° 34.2° -0.8°
Azimuth 117.2° 180.0° 242.7°
Hour Angle of the Sun 75.2° 75.2° -75.2°
Mean Anomaly of the Sun 339.15° 339.35° 339.56°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -99.05° -98.82° -98.58°
Sun Declination -23.17° -23.19° -23.20°
Moon 3:13 AM EST   2:57 PM EST
Length of Visible Light 10h 56m
Length of Day
10h 02m
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