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Astronomy

Dec. 15, 2017 Rise Solar Noon Set
Actual Time 7:10 AM EST 12:24 PM EST 5:37 PM EST
Civil Twilight 6:45 AM EST   6:03 PM EST
Nautical Twilight 6:16 AM EST   6:32 PM EST
Astronomical Twilight 5:47 AM EST   7:00 PM EST
Altitude -0.8° 39.7° -0.8°
Azimuth 115.9° 180.0° 244.1°
Hour Angle of the Sun 78.4° 78.4° -78.4°
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 (12/15)   4:06 PM EST (12/15)
Length of Visible Light 11h 18m
Length of Day
10h 27m
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