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Astronomy

Dec. 17, 2017 Rise Solar Noon Set
Actual Time 7:19 AM EST 12:11 PM EST 5:04 PM EST
Civil Twilight 6:51 AM EST   5:32 PM EST
Nautical Twilight 6:19 AM EST   6:04 PM EST
Astronomical Twilight 5:47 AM EST   6:35 PM EST
Altitude -0.8° 30.9° -0.8°
Azimuth 118.6° 180.0° 241.4°
Hour Angle of the Sun 73.1° 73.1° -73.0°
Mean Anomaly of the Sun 343.08° 343.28° 343.48°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -94.63° -94.41° -94.18°
Sun Declination -23.37° -23.37° -23.38°
Moon 6:32 AM EST   4:58 PM EST
Length of Visible Light 10h 41m
Length of Day
9h 44m
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