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Astronomy

Dec. 15, 2017 Rise Solar Noon Set
Actual Time 7:09 AM EST 11:43 AM EST 4:16 PM EST
Civil Twilight 6:38 AM EST   4:48 PM EST
Nautical Twilight 6:02 AM EST   5:23 PM EST
Astronomical Twilight 5:28 AM EST   5:57 PM EST
Altitude -0.8° 24.5° -0.8°
Azimuth 121.4° 180.0° 238.6°
Hour Angle of the Sun 68.3° 68.3° -68.3°
Mean Anomaly of the Sun 341.10° 341.29° 341.48°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -96.85° -96.64° -96.43°
Sun Declination -23.29° -23.29° -23.30°
Moon 4:25 AM EST (12/15)   2:59 PM EST (12/15)
Length of Visible Light 10h 10m
Length of Day
9h 06m
Waning Crescent, 4% of the Moon is Illuminated
Dec 15
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter