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Astronomy

Dec. 16, 2017 Rise Solar Noon Set
Actual Time 7:30 AM EST 12:09 PM EST 4:48 PM EST
Civil Twilight 6:59 AM EST   5:18 PM EST
Nautical Twilight 6:25 AM EST   5:53 PM EST
Astronomical Twilight 5:52 AM EST   6:26 PM EST
Altitude -0.8° 26.1° -0.8°
Azimuth 120.6° 180.0° 239.4°
Hour Angle of the Sun 69.6° 69.6° -69.6°
Mean Anomaly of the Sun 342.10° 342.29° 342.48°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -95.73° -95.52° -95.30°
Sun Declination -23.33° -23.34° -23.35°
Moon 5:46 AM EST   4:04 PM EST
Length of Visible Light 10h 19m
Length of Day
9h 17m
Waning Crescent, 3% of the Moon is Illuminated
Dec 16
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter