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Astronomy

Dec. 16, 2017 Rise Solar Noon Set
Actual Time 7:21 AM EST 12:20 PM EST 5:18 PM EST
Civil Twilight 6:54 AM EST   5:46 PM EST
Nautical Twilight 6:23 AM EST   6:17 PM EST
Astronomical Twilight 5:52 AM EST   6:47 PM EST
Altitude -0.8° 33.2° -0.8°
Azimuth 117.7° 180.0° 242.3°
Hour Angle of the Sun 74.6° 74.6° -74.6°
Mean Anomaly of the Sun 342.10° 342.30° 342.50°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -95.74° -95.51° -95.28°
Sun Declination -23.33° -23.34° -23.35°
Moon 5:43 AM EST   4:30 PM EST
Length of Visible Light 10h 51m
Length of Day
9h 56m
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