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Astronomy

Dec. 17, 2017 Rise Solar Noon Set
Actual Time 7:16 AM EST 12:16 PM EST 5:16 PM EST
Civil Twilight 6:48 AM EST   5:43 PM EST
Nautical Twilight 6:17 AM EST   6:14 PM EST
Astronomical Twilight 5:47 AM EST   6:44 PM EST
Altitude -0.8° 33.9° -0.8°
Azimuth 117.5° 180.0° 242.5°
Hour Angle of the Sun 75.0° 75.0° -75.0°
Mean Anomaly of the Sun 343.08° 343.28° 343.49°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -94.63° -94.40° -94.17°
Sun Declination -23.37° -23.37° -23.38°
Moon 6:30 AM EST (12/17)   5:08 PM EST (12/17)
Length of Visible Light 10h 54m
Length of Day
10h 00m
Waning Crescent, 0% of the Moon is Illuminated
Dec 17
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter