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Astronomy

Dec. 15, 2017 Rise Solar Noon Set
Actual Time 7:33 AM EST 12:20 PM EST 5:07 PM EST
Civil Twilight 7:04 AM EST   5:37 PM EST
Nautical Twilight 6:31 AM EST   6:10 PM EST
Astronomical Twilight 5:59 AM EST   6:42 PM EST
Altitude -0.8° 28.9° -0.8°
Azimuth 119.3° 180.0° 240.7°
Hour Angle of the Sun 71.7° 71.7° -71.7°
Mean Anomaly of the Sun 341.12° 341.32° 341.51°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -96.83° -96.61° -96.39°
Sun Declination -23.29° -23.30° -23.30°
Moon 4:57 AM EST   3:46 PM EST
Length of Visible Light 10h 32m
Length of Day
9h 33m
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