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Astronomy

Dec. 17, 2017 Rise Solar Noon Set
Actual Time 7:20 AM EST 11:50 AM EST 4:20 PM EST
Civil Twilight 6:47 AM EST   4:52 PM EST
Nautical Twilight 6:11 AM EST   5:28 PM EST
Astronomical Twilight 5:37 AM EST   6:03 PM EST
Altitude -0.8° 23.5° -0.8°
Azimuth 122.0° 180.0° 238.0°
Hour Angle of the Sun 67.5° 67.5° -67.5°
Mean Anomaly of the Sun 343.08° 343.27° 343.45°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -94.63° -94.42° -94.21°
Sun Declination -23.37° -23.37° -23.38°
Moon 6:28 AM EST (12/17)   4:17 PM EST (12/17)
Length of Visible Light 10h 05m
Length of Day
9h 00m
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