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Astronomy

Dec. 17, 2017 Rise Solar Noon Set
Actual Time 7:13 AM EST 11:51 AM EST 4:29 PM EST
Civil Twilight 6:42 AM EST   5:00 PM EST
Nautical Twilight 6:07 AM EST   5:35 PM EST
Astronomical Twilight 5:34 AM EST   6:08 PM EST
Altitude -0.8° 26.0° -0.8°
Azimuth 120.7° 180.0° 239.3°
Hour Angle of the Sun 69.6° 69.5° -69.5°
Mean Anomaly of the Sun 343.08° 343.27° 343.46°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -94.64° -94.42° -94.21°
Sun Declination -23.37° -23.37° -23.38°
Moon 6:22 AM EST   4:25 PM EST
Length of Visible Light 10h 18m
Length of Day
9h 16m
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