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Astronomy

Dec. 16, 2017 Rise Solar Noon Set
Actual Time 7:41 AM EST 12:35 PM EST 5:29 PM EST
Civil Twilight 7:13 AM EST   5:57 PM EST
Nautical Twilight 6:41 AM EST   6:29 PM EST
Astronomical Twilight 6:10 AM EST   7:00 PM EST
Altitude -0.8° 31.5° -0.8°
Azimuth 118.3° 180.0° 241.7°
Hour Angle of the Sun 73.4° 73.4° -73.4°
Mean Anomaly of the Sun 342.11° 342.31° 342.51°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -95.72° -95.50° -95.27°
Sun Declination -23.33° -23.34° -23.35°
Moon 6:02 AM EST   4:42 PM EST
Length of Visible Light 10h 44m
Length of Day
9h 47m
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