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Astronomy

Dec. 15, 2017 Rise Solar Noon Set
Actual Time 7:15 AM EST 11:45 AM EST 4:14 PM EST
Civil Twilight 6:43 AM EST   4:47 PM EST
Nautical Twilight 6:07 AM EST   5:23 PM EST
Astronomical Twilight 5:32 AM EST   5:58 PM EST
Altitude -0.8° 23.2° -0.8°
Azimuth 122.1° 180.0° 237.9°
Hour Angle of the Sun 67.3° 67.3° -67.3°
Mean Anomaly of the Sun 341.11° 341.29° 341.48°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -96.85° -96.64° -96.43°
Sun Declination -23.29° -23.29° -23.30°
Moon 4:30 AM EST   2:58 PM EST
Length of Visible Light 10h 03m
Length of Day
8h 58m
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