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Astronomy

Dec. 16, 2017 Rise Solar Noon Set
Actual Time 7:56 AM EST 12:30 PM EST 5:04 PM EST
Civil Twilight 7:24 AM EST   5:36 PM EST
Nautical Twilight 6:49 AM EST   6:11 PM EST
Astronomical Twilight 6:15 AM EST   6:45 PM EST
Altitude -0.8° 24.7° -0.8°
Azimuth 121.3° 180.0° 238.7°
Hour Angle of the Sun 68.5° 68.5° -68.5°
Mean Anomaly of the Sun 342.12° 342.31° 342.50°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -95.71° -95.50° -95.29°
Sun Declination -23.33° -23.34° -23.35°
Moon 6:11 AM EST (12/16)   4:23 PM EST (12/16)
Length of Visible Light 10h 11m
Length of Day
9h 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