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Astronomy

Dec. 17, 2017 Rise Solar Noon Set
Actual Time 7:42 AM EST 12:24 PM EST 5:05 PM EST
Civil Twilight 7:11 AM EST   5:36 PM EST
Nautical Twilight 6:38 AM EST   6:09 PM EST
Astronomical Twilight 6:05 AM EST   6:42 PM EST
Altitude -0.8° 27.2° -0.8°
Azimuth 120.1° 180.0° 239.9°
Hour Angle of the Sun 70.5° 70.4° -70.4°
Mean Anomaly of the Sun 343.10° 343.29° 343.48°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -94.61° -94.40° -94.18°
Sun Declination -23.37° -23.37° -23.38°
Moon 6:53 AM EST   5:02 PM EST
Length of Visible Light 10h 24m
Length of Day
9h 23m
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