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Astronomy

Dec. 16, 2017 Rise Solar Noon Set
Actual Time 6:49 AM AST 12:20 PM AST 5:51 PM AST
Civil Twilight 6:25 AM AST   6:15 PM AST
Nautical Twilight 5:58 AM AST   6:42 PM AST
Astronomical Twilight 5:31 AM AST   7:09 PM AST
Altitude -0.8° 48.2° -0.8°
Azimuth 114.4° 180.0° 245.6°
Hour Angle of the Sun 82.7° 82.7° -82.7°
Mean Anomaly of the Sun 342.03° 342.26° 342.49°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -95.81° -95.55° -95.30°
Sun Declination -23.33° -23.34° -23.35°
Moon 5:18 AM AST   4:53 PM AST
Length of Visible Light 11h 49m
Length of Day
11h 01m
Waning Crescent, 2% of the Moon is Illuminated
Dec 16
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter