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Astronomy

Dec. 17, 2017 Rise Solar Noon Set
Actual Time 7:32 AM EST 11:57 AM EST 4:23 PM EST
Civil Twilight 6:58 AM EST   4:57 PM EST
Nautical Twilight 6:22 AM EST   5:33 PM EST
Astronomical Twilight 5:46 AM EST   6:09 PM EST
Altitude -0.8° 22.3° -0.8°
Azimuth 122.7° 180.0° 237.3°
Hour Angle of the Sun 66.5° 66.4° -66.4°
Mean Anomaly of the Sun 343.09° 343.27° 343.45°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -94.62° -94.42° -94.21°
Sun Declination -23.37° -23.37° -23.38°
Moon 6:39 AM EST   4:21 PM EST
Length of Visible Light 9h 58m
Length of Day
8h 51m
Waning Crescent, 0% of the Moon is Illuminated
Dec 17
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter