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Astronomy

Dec. 15, 2017 Rise Solar Noon Set
Actual Time 7:12 AM EST 11:58 AM EST 4:43 PM EST
Civil Twilight 6:42 AM EST   5:13 PM EST
Nautical Twilight 6:09 AM EST   5:46 PM EST
Astronomical Twilight 5:37 AM EST   6:18 PM EST
Altitude -0.8° 28.4° -0.8°
Azimuth 119.5° 180.0° 240.5°
Hour Angle of the Sun 71.4° 71.4° -71.3°
Mean Anomaly of the Sun 341.10° 341.30° 341.50°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -96.85° -96.63° -96.41°
Sun Declination -23.29° -23.30° -23.30°
Moon 4:34 AM EST   3:21 PM EST
Length of Visible Light 10h 30m
Length of Day
9h 31m
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