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Astronomy

Dec. 17, 2017 Rise Solar Noon Set
Actual Time 7:29 AM EST 12:36 PM EST 5:43 PM EST
Civil Twilight 7:02 AM EST   6:09 PM EST
Nautical Twilight 6:32 AM EST   6:39 PM EST
Astronomical Twilight 6:03 AM EST   7:08 PM EST
Altitude -0.8° 36.9° -0.8°
Azimuth 116.6° 180.0° 243.3°
Hour Angle of the Sun 76.8° 76.8° -76.8°
Mean Anomaly of the Sun 343.09° 343.30° 343.51°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -94.62° -94.39° -94.15°
Sun Declination -23.37° -23.37° -23.38°
Moon 6:45 AM EST   5:35 PM EST
Length of Visible Light 11h 07m
Length of Day
10h 14m
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