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Astronomy

Dec. 15, 2017 Rise Solar Noon Set
Actual Time 7:17 AM EST 11:43 AM EST 4:08 PM EST
Civil Twilight 6:44 AM EST   4:41 PM EST
Nautical Twilight 6:07 AM EST   5:18 PM EST
Astronomical Twilight 5:31 AM EST   5:54 PM EST
Altitude -0.8° 22.1° -0.8°
Azimuth 122.7° 180.0° 237.2°
Hour Angle of the Sun 66.3° 66.3° -66.3°
Mean Anomaly of the Sun 341.11° 341.29° 341.47°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -96.85° -96.64° -96.44°
Sun Declination -23.29° -23.29° -23.30°
Moon 4:30 AM EST   2:54 PM EST
Length of Visible Light 9h 57m
Length of Day
8h 50m
Waning Crescent, 7% of the Moon is Illuminated
Dec 15
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter