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Astronomy

Dec. 15, 2017 Rise Solar Noon Set
Actual Time 7:12 AM EST 12:22 PM EST 5:32 PM EST
Civil Twilight 6:46 AM EST   5:58 PM EST
Nautical Twilight 6:16 AM EST   6:27 PM EST
Astronomical Twilight 5:47 AM EST   6:56 PM EST
Altitude -0.8° 38.2° -0.8°
Azimuth 116.2° 180.0° 243.7°
Hour Angle of the Sun 77.5° 77.5° -77.5°
Mean Anomaly of the Sun 341.10° 341.32° 341.53°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -96.85° -96.61° -96.37°
Sun Declination -23.29° -23.30° -23.31°
Moon 4:45 AM EST   4:02 PM EST
Length of Visible Light 11h 12m
Length of Day
10h 20m
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