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Astronomy

Dec. 13, 2017 Rise Solar Noon Set
Actual Time 7:18 AM EST 12:22 PM EST 5:26 PM EST
Civil Twilight 6:51 AM EST   5:53 PM EST
Nautical Twilight 6:21 AM EST   6:23 PM EST
Astronomical Twilight 5:51 AM EST   6:52 PM EST
Altitude -0.8° 35.5° -0.8°
Azimuth 116.9° 180.0° 243.1°
Hour Angle of the Sun 76.0° 76.0° -76.0°
Mean Anomaly of the Sun 339.14° 339.35° 339.55°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -99.06° -98.82° -98.59°
Sun Declination -23.17° -23.19° -23.20°
Moon 3:00 AM EST   2:47 PM EST
Length of Visible Light 11h 01m
Length of Day
10h 08m
Waning Crescent, 17% of the Moon is Illuminated
Dec 13
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter