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Astronomy

Dec. 15, 2017 Rise Solar Noon Set
Actual Time 7:13 AM EST 12:25 PM EST 5:38 PM EST
Civil Twilight 6:47 AM EST   6:03 PM EST
Nautical Twilight 6:18 AM EST   6:32 PM EST
Astronomical Twilight 5:49 AM EST   7:01 PM EST
Altitude -0.8° 39.2° -0.8°
Azimuth 116.0° 180.0° 244.0°
Hour Angle of the Sun 78.1° 78.1° -78.1°
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 4:47 AM EST   4:07 PM EST
Length of Visible Light 11h 16m
Length of Day
10h 25m
Waning Crescent, 7% of the Moon is Illuminated
Dec 15
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter