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Astronomy

Dec. 15, 2017 Rise Solar Noon Set
Actual Time 7:49 AM EST 12:27 PM EST 5:06 PM EST
Civil Twilight 7:18 AM EST   5:36 PM EST
Nautical Twilight 6:43 AM EST   6:11 PM EST
Astronomical Twilight 6:10 AM EST   6:44 PM EST
Altitude -0.8° 26.1° -0.8°
Azimuth 120.6° 180.0° 239.4°
Hour Angle of the Sun 69.6° 69.6° -69.6°
Mean Anomaly of the Sun 341.13° 341.32° 341.51°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -96.82° -96.61° -96.40°
Sun Declination -23.29° -23.30° -23.30°
Moon 5:09 AM EST (12/15)   3:47 PM EST (12/15)
Length of Visible Light 10h 18m
Length of Day
9h 17m
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