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Astronomy

Jan. 20, 2018 Rise Solar Noon Set
Actual Time 6:45 AM AST 12:22 PM AST 5:59 PM AST
Civil Twilight 6:22 AM AST   6:22 PM AST
Nautical Twilight 5:56 AM AST   6:48 PM AST
Astronomical Twilight 5:29 AM AST   7:15 PM AST
Altitude -0.8° 52.1° -0.8°
Azimuth 110.9° 180.0° 249.2°
Hour Angle of the Sun 84.2° 84.2° -84.2°
Mean Anomaly of the Sun 16.53° 16.76° 16.99°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -57.49° -57.24° -56.99°
Sun Declination -20.08° -20.03° -19.98°
Moon 9:09 AM AST (1/20)   9:05 PM AST (1/20)
Length of Visible Light 11h 59m
Length of Day
11h 13m
Waxing Crescent, 14% of the Moon is Illuminated
Jan 20
Waxing Crescent
Jan 24
First Quarter
Jan 31
Full
Feb 7
Last Quarter
Feb 15
New