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Astronomy

Dec. 11, 2017 Rise Solar Noon Set
Actual Time 7:54 AM EST 12:32 PM EST 5:10 PM EST
Civil Twilight 7:23 AM EST   5:41 PM EST
Nautical Twilight 6:48 AM EST   6:15 PM EST
Astronomical Twilight 6:15 AM EST   6:49 PM EST
Altitude -0.8° 25.8° -0.8°
Azimuth 120.5° 180.0° 239.5°
Hour Angle of the Sun 69.5° 69.4° -69.4°
Mean Anomaly of the Sun 337.19° 337.38° 337.57°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -101.23° -101.02° -100.81°
Sun Declination -23.03° -23.05° -23.06°
Moon 1:15 AM EST   1:51 PM EST
Length of Visible Light 10h 17m
Length of Day
9h 15m
Last Quarter, 39% of the Moon is Illuminated
Dec 11
Last Quarter
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter