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Astronomy

Dec. 17, 2017 Rise Solar Noon Set
Actual Time 7:55 AM EST 12:26 PM EST 4:56 PM EST
Civil Twilight 7:23 AM EST   5:29 PM EST
Nautical Twilight 6:47 AM EST   6:04 PM EST
Astronomical Twilight 6:12 AM EST   6:39 PM EST
Altitude -0.8° 23.6° -0.8°
Azimuth 121.9° 180.0° 238.1°
Hour Angle of the Sun 67.6° 67.6° -67.6°
Mean Anomaly of the Sun 343.11° 343.29° 343.48°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -94.60° -94.40° -94.19°
Sun Declination -23.37° -23.37° -23.38°
Moon 7:04 AM EST   4:54 PM EST
Length of Visible Light 10h 05m
Length of Day
9h 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