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Astronomy

Dec. 17, 2017 Rise Solar Noon Set
Actual Time 8:11 AM EST 12:31 PM EST 4:50 PM EST
Civil Twilight 7:37 AM EST   5:25 PM EST
Nautical Twilight 6:59 AM EST   6:03 PM EST
Astronomical Twilight 6:22 AM EST   6:39 PM EST
Altitude -0.8° 20.6° -0.8°
Azimuth 123.8° 180.0° 236.2°
Hour Angle of the Sun 64.9° 64.9° -64.8°
Mean Anomaly of the Sun 343.12° 343.29° 343.47°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -94.59° -94.39° -94.19°
Sun Declination -23.37° -23.37° -23.38°
Moon 7:18 AM EST   4:50 PM EST
Length of Visible Light 9h 48m
Length of Day
8h 39m
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