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Astronomy

Dec. 17, 2017 Rise Solar Noon Set
Actual Time 7:14 AM EST 12:12 PM EST 5:11 PM EST
Civil Twilight 6:46 AM EST   5:38 PM EST
Nautical Twilight 6:15 AM EST   6:09 PM EST
Astronomical Twilight 5:45 AM EST   6:40 PM EST
Altitude -0.8° 33.2° -0.8°
Azimuth 117.8° 180.0° 242.2°
Hour Angle of the Sun 74.6° 74.6° -74.5°
Mean Anomaly of the Sun 343.08° 343.28° 343.49°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -94.64° -94.41° -94.18°
Sun Declination -23.37° -23.37° -23.38°
Moon 6:28 AM EST   5:04 PM EST
Length of Visible Light 10h 51m
Length of Day
9h 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