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Astronomy

Dec. 15, 2017 Rise Solar Noon Set
Actual Time 7:47 AM EST 12:22 PM EST 4:58 PM EST
Civil Twilight 7:15 AM EST   5:30 PM EST
Nautical Twilight 6:40 AM EST   6:04 PM EST
Astronomical Twilight 6:07 AM EST   6:38 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 341.13° 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 5:05 AM EST   3:41 PM EST
Length of Visible Light 10h 14m
Length of Day
9h 11m
Waning Crescent, 5% of the Moon is Illuminated
Dec 15
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter