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Astronomy

Dec. 15, 2017 Rise Solar Noon Set
Actual Time 7:12 AM EST 11:45 AM EST 4:18 PM EST
Civil Twilight 6:40 AM EST   4:50 PM EST
Nautical Twilight 6:05 AM EST   5:25 PM EST
Astronomical Twilight 5:30 AM EST   5:59 PM EST
Altitude -0.8° 24.3° -0.8°
Azimuth 121.5° 180.0° 238.5°
Hour Angle of the Sun 68.2° 68.2° -68.2°
Mean Anomaly of the Sun 341.10° 341.29° 341.48°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -96.85° -96.64° -96.43°
Sun Declination -23.29° -23.29° -23.30°
Moon 4:28 AM EST   3:01 PM EST
Length of Visible Light 10h 09m
Length of Day
9h 05m
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