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Astronomy

Dec. 11, 2017 Rise Solar Noon Set
Actual Time 7:09 AM EST 11:55 AM EST 4:42 PM EST
Civil Twilight 6:39 AM EST   5:11 PM EST
Nautical Twilight 6:06 AM EST   5:44 PM EST
Astronomical Twilight 5:34 AM EST   6:16 PM EST
Altitude -0.8° 28.6° -0.8°
Azimuth 119.2° 180.0° 240.8°
Hour Angle of the Sun 71.6° 71.5° -71.5°
Mean Anomaly of the Sun 337.16° 337.36° 337.55°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -101.27° -101.05° -100.83°
Sun Declination -23.03° -23.05° -23.06°
Moon 12:38 AM EST   1:13 PM EST
Length of Visible Light 10h 31m
Length of Day
9h 32m
Last Quarter, 38% of the Moon is Illuminated
Dec 11
Last Quarter
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter