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Astronomy

Dec. 11, 2017 Rise Solar Noon Set
Actual Time 8:23 AM EST 12:43 PM EST 5:02 PM EST
Civil Twilight 7:48 AM EST   5:37 PM EST
Nautical Twilight 7:10 AM EST   6:15 PM EST
Astronomical Twilight 6:33 AM EST   6:52 PM EST
Altitude -0.8° 20.6° -0.8°
Azimuth 123.5° 180.0° 236.5°
Hour Angle of the Sun 65.0° 65.0° -64.9°
Mean Anomaly of the Sun 337.21° 337.39° 337.57°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -101.21° -101.01° -100.82°
Sun Declination -23.03° -23.05° -23.06°
Moon 1:24 AM EST   2:02 PM EST
Length of Visible Light 9h 49m
Length of Day
8h 39m
Waning Crescent, 33% of the Moon is Illuminated
Dec 11
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter