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Astronomy

Dec. 17, 2017 Rise Solar Noon Set
Actual Time 7:01 AM EST 12:18 PM EST 5:34 PM EST
Civil Twilight 6:36 AM EST   5:59 PM EST
Nautical Twilight 6:07 AM EST   6:28 PM EST
Astronomical Twilight 5:39 AM EST   6:56 PM EST
Altitude -0.8° 41.0° -0.8°
Azimuth 115.7° 180.0° 244.3°
Hour Angle of the Sun 79.1° 79.1° -79.0°
Mean Anomaly of the Sun 343.07° 343.28° 343.50°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -94.64° -94.40° -94.16°
Sun Declination -23.37° -23.37° -23.38°
Moon 6:19 AM EST   5:24 PM EST
Length of Visible Light 11h 22m
Length of Day
10h 32m
Waning Crescent, 0% of the Moon is Illuminated
Dec 17
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter