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Astronomy

Dec. 17, 2017 Rise Solar Noon Set
Actual Time 7:20 AM EST 12:03 PM EST 4:47 PM EST
Civil Twilight 6:50 AM EST   5:17 PM EST
Nautical Twilight 6:17 AM EST   5:50 PM EST
Astronomical Twilight 5:44 AM EST   6:23 PM EST
Altitude -0.8° 27.7° -0.8°
Azimuth 119.9° 180.0° 240.1°
Hour Angle of the Sun 70.8° 70.8° -70.8°
Mean Anomaly of the Sun 343.08° 343.28° 343.47°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -94.63° -94.41° -94.19°
Sun Declination -23.37° -23.37° -23.38°
Moon 6:31 AM EST   4:42 PM EST
Length of Visible Light 10h 26m
Length of Day
9h 26m
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