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Astronomy

Dec. 16, 2017 Rise Solar Noon Set
Actual Time 7:15 AM EST 12:21 PM EST 5:27 PM EST
Civil Twilight 6:49 AM EST   5:54 PM EST
Nautical Twilight 6:19 AM EST   6:24 PM EST
Astronomical Twilight 5:50 AM EST   6:53 PM EST
Altitude -0.8° 36.3° -0.8°
Azimuth 116.8° 180.0° 243.2°
Hour Angle of the Sun 76.5° 76.5° -76.5°
Mean Anomaly of the Sun 342.09° 342.30° 342.51°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -95.74° -95.51° -95.27°
Sun Declination -23.33° -23.34° -23.35°
Moon 5:40 AM EST   4:38 PM EST
Length of Visible Light 11h 04m
Length of Day
10h 11m
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