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Astronomy

Jan. 20, 2017 Rise Solar Noon Set
Actual Time 8:04 AM AST 12:28 PM AST 4:52 PM AST
Civil Twilight 7:28 AM AST   5:28 PM AST
Nautical Twilight 6:48 AM AST   6:08 PM AST
Astronomical Twilight 6:10 AM AST   6:46 PM AST
Altitude -0.8° 20.2° -0.8°
Azimuth 120.9° 180.0° 239.2°
Hour Angle of the Sun 66.0° 66.0° -66.1°
Mean Anomaly of the Sun 16.84° 17.02° 17.20°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -57.17° -56.98° -56.78°
Sun Declination -20.01° -19.97° -19.93°
Moon 1:10 AM AST (1/20)   11:59 AM AST (1/20)
Length of Visible Light 10h 00m
Length of Day
8h 48m
Last Quarter, 39% of the Moon is Illuminated
Jan 20
Last Quarter
Jan 27
New
Feb 3
First Quarter
Feb 10
Full
Feb 18
Last Quarter