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Astronomy

Dec. 17, 2017 Rise Solar Noon Set
Actual Time 7:24 AM EST 11:49 AM EST 4:14 PM EST
Civil Twilight 6:50 AM EST   4:47 PM EST
Nautical Twilight 6:13 AM EST   5:24 PM EST
Astronomical Twilight 5:38 AM EST   6:00 PM EST
Altitude -0.8° 22.1° -0.8°
Azimuth 122.8° 180.0° 237.2°
Hour Angle of the Sun 66.3° 66.2° -66.2°
Mean Anomaly of the Sun 343.08° 343.26° 343.45°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -94.63° -94.42° -94.22°
Sun Declination -23.37° -23.37° -23.38°
Moon 6:31 AM EST   4:12 PM EST
Length of Visible Light 9h 57m
Length of Day
8h 50m
Waning Crescent, 1% of the Moon is Illuminated
Dec 17
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter