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Astronomy

Dec. 11, 2017 Rise Solar Noon Set
Actual Time 7:58 AM EST 12:37 PM EST 5:17 PM EST
Civil Twilight 7:27 AM EST   5:48 PM EST
Nautical Twilight 6:53 AM EST   6:22 PM EST
Astronomical Twilight 6:19 AM EST   6:55 PM EST
Altitude -0.8° 26.3° -0.8°
Azimuth 120.2° 180.0° 239.7°
Hour Angle of the Sun 69.9° 69.8° -69.8°
Mean Anomaly of the Sun 337.19° 337.38° 337.58°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -101.23° -101.02° -100.80°
Sun Declination -23.03° -23.05° -23.06°
Moon 1:21 AM EST   1:56 PM EST
Length of Visible Light 10h 20m
Length of Day
9h 18m
Last Quarter, 37% of the Moon is Illuminated
Dec 11
Last Quarter
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter