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Astronomy

Dec. 17, 2017 Rise Solar Noon Set
Actual Time 7:43 AM EST 12:11 PM EST 4:39 PM EST
Civil Twilight 7:10 AM EST   5:12 PM EST
Nautical Twilight 6:34 AM EST   5:48 PM EST
Astronomical Twilight 5:59 AM EST   6:23 PM EST
Altitude -0.8° 23.0° -0.8°
Azimuth 122.3° 180.0° 237.7°
Hour Angle of the Sun 67.1° 67.1° -67.1°
Mean Anomaly of the Sun 343.10° 343.28° 343.46°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -94.61° -94.41° -94.20°
Sun Declination -23.37° -23.37° -23.38°
Moon 6:51 AM EST   4:37 PM EST
Length of Visible Light 10h 02m
Length of Day
8h 56m
Waning Crescent, 1% of the Moon is Illuminated
Dec 17
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter