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Astronomy

Dec. 17, 2017 Rise Solar Noon Set
Actual Time 7:17 AM EST 11:45 AM EST 4:13 PM EST
Civil Twilight 6:44 AM EST   4:46 PM EST
Nautical Twilight 6:08 AM EST   5:22 PM EST
Astronomical Twilight 5:33 AM EST   5:57 PM EST
Altitude -0.8° 22.9° -0.8°
Azimuth 122.3° 180.0° 237.6°
Hour Angle of the Sun 67.0° 67.0° -67.0°
Mean Anomaly of the Sun 343.08° 343.26° 343.45°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -94.63° -94.43° -94.22°
Sun Declination -23.37° -23.37° -23.38°
Moon 6:24 AM EST   4:10 PM EST
Length of Visible Light 10h 01m
Length of Day
8h 55m
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