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Astronomy

Dec. 17, 2017 Rise Solar Noon Set
Actual Time 7:21 AM EST 11:57 AM EST 4:34 PM EST
Civil Twilight 6:50 AM EST   5:05 PM EST
Nautical Twilight 6:15 AM EST   5:40 PM EST
Astronomical Twilight 5:41 AM EST   6:13 PM EST
Altitude -0.8° 25.5° -0.8°
Azimuth 120.9° 180.0° 239.1°
Hour Angle of the Sun 69.1° 69.1° -69.1°
Mean Anomaly of the Sun 343.08° 343.27° 343.46°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -94.63° -94.42° -94.20°
Sun Declination -23.37° -23.37° -23.38°
Moon 6:30 AM EST   4:30 PM EST
Length of Visible Light 10h 15m
Length of Day
9h 13m
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