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Astronomy

Dec. 17, 2017 Rise Solar Noon Set
Actual Time 7:20 AM EST 12:03 PM EST 4:46 PM EST
Civil Twilight 6:50 AM EST   5:16 PM EST
Nautical Twilight 6:16 AM EST   5:49 PM EST
Astronomical Twilight 5:44 AM EST   6:22 PM EST
Altitude -0.8° 27.5° -0.8°
Azimuth 120.0° 180.0° 240.0°
Hour Angle of the Sun 70.7° 70.7° -70.7°
Mean Anomaly of the Sun 343.08° 343.27° 343.47°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -94.63° -94.41° -94.20°
Sun Declination -23.37° -23.37° -23.38°
Moon 6:31 AM EST   4:41 PM EST
Length of Visible Light 10h 25m
Length of Day
9h 25m
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