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Astronomy

Dec. 17, 2017 Rise Solar Noon Set
Actual Time 7:39 AM EST 12:10 PM EST 4:41 PM EST
Civil Twilight 7:07 AM EST   5:13 PM EST
Nautical Twilight 6:31 AM EST   5:49 PM EST
Astronomical Twilight 5:56 AM EST   6:23 PM EST
Altitude -0.8° 23.7° -0.8°
Azimuth 121.9° 180.0° 238.1°
Hour Angle of the Sun 67.7° 67.7° -67.7°
Mean Anomaly of the Sun 343.09° 343.28° 343.46°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -94.62° -94.41° -94.20°
Sun Declination -23.37° -23.37° -23.38°
Moon 6:48 AM EST   4:38 PM EST
Length of Visible Light 10h 06m
Length of Day
9h 01m
Waning Crescent, 1% of the Moon is Illuminated
Dec 17
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter