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Astronomy

Dec. 15, 2017 Rise Solar Noon Set
Actual Time 7:27 AM EST 12:00 PM EST 4:33 PM EST
Civil Twilight 6:55 AM EST   5:05 PM EST
Nautical Twilight 6:20 AM EST   5:41 PM EST
Astronomical Twilight 5:46 AM EST   6:15 PM EST
Altitude -0.8° 24.3° -0.8°
Azimuth 121.5° 180.0° 238.5°
Hour Angle of the Sun 68.2° 68.2° -68.2°
Mean Anomaly of the Sun 341.11° 341.30° 341.49°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -96.84° -96.63° -96.42°
Sun Declination -23.29° -23.30° -23.30°
Moon 4:44 AM EST   3:16 PM EST
Length of Visible Light 10h 09m
Length of Day
9h 05m
Waning Crescent, 7% of the Moon is Illuminated
Dec 15
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter