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Astronomy

Dec. 17, 2017 Rise Solar Noon Set
Actual Time 7:47 AM EST 12:28 PM EST 5:08 PM EST
Civil Twilight 7:16 AM EST   5:39 PM EST
Nautical Twilight 6:42 AM EST   6:13 PM EST
Astronomical Twilight 6:09 AM EST   6:46 PM EST
Altitude -0.8° 26.8° -0.8°
Azimuth 120.3° 180.0° 239.7°
Hour Angle of the Sun 70.2° 70.1° -70.1°
Mean Anomaly of the Sun 343.10° 343.29° 343.48°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -94.61° -94.39° -94.18°
Sun Declination -23.37° -23.37° -23.38°
Moon 6:58 AM EST   5:05 PM EST
Length of Visible Light 10h 22m
Length of Day
9h 21m
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