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Astronomy

Dec. 15, 2017 Rise Solar Noon Set
Actual Time 7:05 AM EST 11:30 AM EST 3:54 PM EST
Civil Twilight 6:31 AM EST   4:28 PM EST
Nautical Twilight 5:54 AM EST   5:05 PM EST
Astronomical Twilight 5:19 AM EST   5:40 PM EST
Altitude -0.8° 22.0° -0.8°
Azimuth 122.8° 180.0° 237.1°
Hour Angle of the Sun 66.1° 66.1° -66.1°
Mean Anomaly of the Sun 341.10° 341.28° 341.46°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -96.86° -96.65° -96.45°
Sun Declination -23.29° -23.29° -23.30°
Moon 4:16 AM EST   2:40 PM EST
Length of Visible Light 9h 56m
Length of Day
8h 49m
Waning Crescent, 5% of the Moon is Illuminated
Dec 15
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter