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Astronomy

Dec. 18, 2017 Rise Solar Noon Set
Actual Time 7:35 AM EST 12:31 PM EST 5:26 PM EST
Civil Twilight 7:07 AM EST   5:54 PM EST
Nautical Twilight 6:36 AM EST   6:25 PM EST
Astronomical Twilight 6:05 AM EST   6:56 PM EST
Altitude -0.8° 32.0° -0.8°
Azimuth 118.2° 180.0° 241.8°
Hour Angle of the Sun 73.8° 73.8° -73.8°
Mean Anomaly of the Sun 344.08° 344.28° 344.48°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -93.51° -93.28° -93.06°
Sun Declination -23.40° -23.40° -23.41°
Moon 7:40 AM EST   6:04 PM EST
Length of Visible Light 10h 46m
Length of Day
9h 50m
New Moon, 0% of the Moon is Illuminated
Dec 18
New Moon
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter
Jan 16
New