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Astronomy

Dec. 12, 2017 Rise Solar Noon Set
Actual Time 7:08 AM EST 12:18 PM EST 5:27 PM EST
Civil Twilight 6:42 AM EST   5:53 PM EST
Nautical Twilight 6:13 AM EST   6:22 PM EST
Astronomical Twilight 5:44 AM EST   6:51 PM EST
Altitude -0.8° 37.7° -0.8°
Azimuth 116.2° 180.0° 243.8°
Hour Angle of the Sun 77.3° 77.3° -77.3°
Mean Anomaly of the Sun 338.15° 338.36° 338.57°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -100.17° -99.93° -99.69°
Sun Declination -23.11° -23.12° -23.14°
Moon 2:00 AM EST   2:10 PM EST
Length of Visible Light 11h 10m
Length of Day
10h 18m
Waning Crescent, 28% of the Moon is Illuminated
Dec 12
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter