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Astronomy

Dec. 15, 2017 Rise Solar Noon Set
Actual Time 7:31 AM EST 12:34 PM EST 5:37 PM EST
Civil Twilight 7:04 AM EST   6:04 PM EST
Nautical Twilight 6:34 AM EST   6:34 PM EST
Astronomical Twilight 6:04 AM EST   7:04 PM EST
Altitude -0.8° 34.9° -0.8°
Azimuth 117.1° 180.0° 242.8°
Hour Angle of the Sun 75.6° 75.6° -75.6°
Mean Anomaly of the Sun 341.12° 341.32° 341.53°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -96.84° -96.60° -96.37°
Sun Declination -23.29° -23.30° -23.31°
Moon 5:02 AM EST   4:10 PM EST
Length of Visible Light 10h 59m
Length of Day
10h 05m
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