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Astronomy

Dec. 17, 2017 Rise Solar Noon Set
Actual Time 7:20 AM EST 11:46 AM EST 4:12 PM EST
Civil Twilight 6:47 AM EST   4:46 PM EST
Nautical Twilight 6:10 AM EST   5:22 PM EST
Astronomical Twilight 5:35 AM EST   5:57 PM EST
Altitude -0.8° 22.4° -0.8°
Azimuth 122.6° 180.0° 237.4°
Hour Angle of the Sun 66.5° 66.5° -66.5°
Mean Anomaly of the Sun 343.08° 343.26° 343.45°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -94.63° -94.43° -94.22°
Sun Declination -23.37° -23.37° -23.38°
Moon 6:27 AM EST   4:10 PM EST
Length of Visible Light 9h 58m
Length of Day
8h 52m
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