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Astronomy

Dec. 11, 2017 Rise Solar Noon Set
Actual Time 7:47 AM EST 12:32 PM EST 5:16 PM EST
Civil Twilight 7:17 AM EST   5:46 PM EST
Nautical Twilight 6:44 AM EST   6:19 PM EST
Astronomical Twilight 6:11 AM EST   6:52 PM EST
Altitude -0.8° 27.9° -0.8°
Azimuth 119.5° 180.0° 240.5°
Hour Angle of the Sun 71.1° 71.0° -71.0°
Mean Anomaly of the Sun 337.19° 337.38° 337.58°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -101.24° -101.02° -100.80°
Sun Declination -23.03° -23.05° -23.06°
Moon 1:16 AM EST   1:50 PM EST
Length of Visible Light 10h 28m
Length of Day
9h 28m
Last Quarter, 40% of the Moon is Illuminated
Dec 11
Last Quarter
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter