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Astronomy

Dec. 13, 2017 Rise Solar Noon Set
Actual Time 7:48 AM EST 12:31 PM EST 5:15 PM EST
Civil Twilight 7:18 AM EST   5:45 PM EST
Nautical Twilight 6:44 AM EST   6:18 PM EST
Astronomical Twilight 6:12 AM EST   6:51 PM EST
Altitude -0.8° 27.7° -0.8°
Azimuth 119.7° 180.0° 240.3°
Hour Angle of the Sun 70.9° 70.9° -70.9°
Mean Anomaly of the Sun 339.16° 339.35° 339.55°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -99.03° -98.82° -98.60°
Sun Declination -23.18° -23.19° -23.20°
Moon 3:15 AM EST   2:50 PM EST
Length of Visible Light 10h 27m
Length of Day
9h 27m
Waning Crescent, 17% of the Moon is Illuminated
Dec 13
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter