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Astronomy

Dec. 12, 2017 Rise Solar Noon Set
Actual Time 7:11 AM EST 11:50 AM EST 4:28 PM EST
Civil Twilight 6:40 AM EST   4:59 PM EST
Nautical Twilight 6:06 AM EST   5:34 PM EST
Astronomical Twilight 5:32 AM EST   6:07 PM EST
Altitude -0.8° 26.0° -0.8°
Azimuth 120.4° 180.0° 239.5°
Hour Angle of the Sun 69.6° 69.6° -69.6°
Mean Anomaly of the Sun 338.15° 338.34° 338.53°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -100.17° -99.95° -99.74°
Sun Declination -23.11° -23.12° -23.13°
Moon 1:33 AM EST   1:37 PM EST
Length of Visible Light 10h 19m
Length of Day
9h 17m
Waning Crescent, 27% of the Moon is Illuminated
Dec 12
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter