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Astronomy

Dec. 12, 2017 Rise Solar Noon Set
Actual Time 7:41 AM EST 12:25 PM EST 5:09 PM EST
Civil Twilight 7:11 AM EST   5:39 PM EST
Nautical Twilight 6:37 AM EST   6:12 PM EST
Astronomical Twilight 6:05 AM EST   6:45 PM EST
Altitude -0.8° 27.9° -0.8°
Azimuth 119.5° 180.0° 240.4°
Hour Angle of the Sun 71.1° 71.0° -71.0°
Mean Anomaly of the Sun 338.17° 338.36° 338.56°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -100.14° -99.93° -99.71°
Sun Declination -23.11° -23.12° -23.14°
Moon 2:09 AM EST (12/12)   2:14 PM EST (12/12)
Length of Visible Light 10h 28m
Length of Day
9h 28m
Waning Crescent, 23% of the Moon is Illuminated
Dec 12
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter