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Astronomy

Dec. 17, 2017 Rise Solar Noon Set
Actual Time 7:39 AM EST 12:36 PM EST 5:33 PM EST
Civil Twilight 7:12 AM EST   6:01 PM EST
Nautical Twilight 6:40 AM EST   6:32 PM EST
Astronomical Twilight 6:10 AM EST   7:02 PM EST
Altitude -0.8° 32.6° -0.8°
Azimuth 118.0° 180.0° 242.0°
Hour Angle of the Sun 74.2° 74.2° -74.1°
Mean Anomaly of the Sun 343.09° 343.30° 343.50°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -94.62° -94.39° -94.16°
Sun Declination -23.37° -23.37° -23.38°
Moon 6:54 AM EST (12/17)   5:27 PM EST (12/17)
Length of Visible Light 10h 49m
Length of Day
9h 53m
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