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Astronomy

Dec. 17, 2017 Rise Solar Noon Set
Actual Time 7:41 AM EST 12:36 PM EST 5:32 PM EST
Civil Twilight 7:13 AM EST   6:00 PM EST
Nautical Twilight 6:41 AM EST   6:32 PM EST
Astronomical Twilight 6:11 AM EST   7:02 PM EST
Altitude -0.8° 32.2° -0.8°
Azimuth 118.1° 180.0° 241.9°
Hour Angle of the Sun 73.9° 73.9° -73.9°
Mean Anomaly of the Sun 343.10° 343.30° 343.50°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -94.61° -94.39° -94.16°
Sun Declination -23.37° -23.37° -23.38°
Moon 6:55 AM EST (12/17)   5:26 PM EST (12/17)
Length of Visible Light 10h 47m
Length of Day
9h 51m
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