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Astronomy

Jan. 20, 2017 Rise Solar Noon Set
Actual Time 7:22 AM EST 12:18 PM EST 5:13 PM EST
Civil Twilight 6:53 AM EST   5:42 PM EST
Nautical Twilight 6:20 AM EST   6:15 PM EST
Astronomical Twilight 5:48 AM EST   6:47 PM EST
Altitude -0.8° 30.7° -0.8°
Azimuth 115.5° 180.0° 244.6°
Hour Angle of the Sun 73.8° 73.9° -73.9°
Mean Anomaly of the Sun 16.85° 17.05° 17.25°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -57.16° -56.94° -56.72°
Sun Declination -20.01° -19.97° -19.92°
Moon 12:48 AM EST (1/20)   12:05 PM EST (1/20)
Length of Visible Light 10h 49m
Length of Day
9h 51m
Last Quarter, 38% of the Moon is Illuminated
Jan 20
Last Quarter
Jan 27
New
Feb 3
First Quarter
Feb 10
Full
Feb 18
Last Quarter