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Astronomy

Dec. 15, 2017 Rise Solar Noon Set
Actual Time 7:04 AM EST 11:40 AM EST 4:16 PM EST
Civil Twilight 6:33 AM EST   4:47 PM EST
Nautical Twilight 5:58 AM EST   5:22 PM EST
Astronomical Twilight 5:24 AM EST   5:56 PM EST
Altitude -0.8° 25.2° -0.8°
Azimuth 121.0° 180.0° 239.0°
Hour Angle of the Sun 68.9° 68.9° -68.9°
Mean Anomaly of the Sun 341.10° 341.29° 341.48°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -96.86° -96.65° -96.43°
Sun Declination -23.29° -23.29° -23.30°
Moon 4:21 AM EST (12/15)   2:58 PM EST (12/15)
Length of Visible Light 10h 14m
Length of Day
9h 11m
Waning Crescent, 4% of the Moon is Illuminated
Dec 15
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter