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Astronomy

Dec. 10, 2017 Rise Solar Noon Set
Actual Time 7:31 AM EST 12:30 PM EST 5:29 PM EST
Civil Twilight 7:04 AM EST   5:57 PM EST
Nautical Twilight 6:33 AM EST   6:28 PM EST
Astronomical Twilight 6:02 AM EST   6:58 PM EST
Altitude -0.8° 33.2° -0.8°
Azimuth 117.4° 180.0° 242.6°
Hour Angle of the Sun 74.7° 74.7° -74.6°
Mean Anomaly of the Sun 336.19° 336.39° 336.60°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -102.35° -102.12° -101.90°
Sun Declination -22.95° -22.97° -22.98°
Moon 12:17 AM EST (12/10)   1:15 PM EST (12/10)
Length of Visible Light 10h 52m
Length of Day
9h 57m
Last Quarter, 41% of the Moon is Illuminated
Dec 10
Last Quarter
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter