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Astronomy

Dec. 17, 2017 Rise Solar Noon Set
Actual Time 7:29 AM EST 12:03 PM EST 4:36 PM EST
Civil Twilight 6:58 AM EST   5:08 PM EST
Nautical Twilight 6:22 AM EST   5:43 PM EST
Astronomical Twilight 5:48 AM EST   6:17 PM EST
Altitude -0.8° 24.5° -0.8°
Azimuth 121.4° 180.0° 238.5°
Hour Angle of the Sun 68.3° 68.3° -68.3°
Mean Anomaly of the Sun 343.09° 343.27° 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 6:38 AM EST   4:33 PM EST
Length of Visible Light 10h 10m
Length of Day
9h 06m
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