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Astronomy

Dec. 15, 2017 Rise Solar Noon Set
Actual Time 7:35 AM EST 12:32 PM EST 5:30 PM EST
Civil Twilight 7:07 AM EST   5:58 PM EST
Nautical Twilight 6:36 AM EST   6:29 PM EST
Astronomical Twilight 6:05 AM EST   6:59 PM EST
Altitude -0.8° 32.9° -0.8°
Azimuth 117.8° 180.0° 242.2°
Hour Angle of the Sun 74.4° 74.4° -74.4°
Mean Anomaly of the Sun 341.12° 341.32° 341.53°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -96.83° -96.61° -96.38°
Sun Declination -23.29° -23.30° -23.31°
Moon 5:03 AM EST (12/15)   4:05 PM EST (12/15)
Length of Visible Light 10h 50m
Length of Day
9h 55m
Waning Crescent, 5% of the Moon is Illuminated
Dec 15
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter