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Astronomy

Dec. 12, 2017 Rise Solar Noon Set
Actual Time 8:00 AM EST 12:35 PM EST 5:10 PM EST
Civil Twilight 7:29 AM EST   5:42 PM EST
Nautical Twilight 6:54 AM EST   6:17 PM EST
Astronomical Twilight 6:20 AM EST   6:51 PM EST
Altitude -0.8° 24.9° -0.8°
Azimuth 121.0° 180.0° 239.0°
Hour Angle of the Sun 68.7° 68.7° -68.7°
Mean Anomaly of the Sun 338.18° 338.37° 338.56°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -100.13° -99.92° -99.71°
Sun Declination -23.11° -23.12° -23.14°
Moon 2:21 AM EST   2:23 PM EST
Length of Visible Light 10h 13m
Length of Day
9h 09m
Waning Crescent, 25% of the Moon is Illuminated
Dec 12
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter