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Astronomy

Dec. 16, 2017 Rise Solar Noon Set
Actual Time 6:30 AM AST 12:04 PM AST 5:38 PM AST
Civil Twilight 6:06 AM AST   6:02 PM AST
Nautical Twilight 5:39 AM AST   6:29 PM AST
Astronomical Twilight 5:13 AM AST   6:55 PM AST
Altitude -0.8° 49.9° -0.8°
Azimuth 114.2° 180.0° 245.8°
Hour Angle of the Sun 83.5° 83.5° -83.5°
Mean Anomaly of the Sun 342.02° 342.25° 342.48°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -95.82° -95.57° -95.31°
Sun Declination -23.33° -23.34° -23.35°
Moon 5:00 AM AST (12/16)   4:39 PM AST (12/16)
Length of Visible Light 11h 55m
Length of Day
11h 08m
Waning Crescent, 1% of the Moon is Illuminated
Dec 16
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter