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Astronomy

Dec. 17, 2017 Rise Solar Noon Set
Actual Time 7:11 AM EST 12:21 PM EST 5:31 PM EST
Civil Twilight 6:45 AM EST   5:57 PM EST
Nautical Twilight 6:16 AM EST   6:27 PM EST
Astronomical Twilight 5:47 AM EST   6:56 PM EST
Altitude -0.8° 38.1° -0.8°
Azimuth 116.3° 180.0° 243.6°
Hour Angle of the Sun 77.5° 77.5° -77.5°
Mean Anomaly of the Sun 343.08° 343.29° 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 6:28 AM EST   5:23 PM EST
Length of Visible Light 11h 11m
Length of Day
10h 19m
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