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Astronomy

Dec. 12, 2017 Rise Solar Noon Set
Actual Time 7:19 AM EST 11:51 AM EST 4:22 PM EST
Civil Twilight 6:47 AM EST   4:55 PM EST
Nautical Twilight 6:11 AM EST   5:30 PM EST
Astronomical Twilight 5:36 AM EST   6:05 PM EST
Altitude -0.8° 24.0° -0.8°
Azimuth 121.5° 180.0° 238.5°
Hour Angle of the Sun 68.0° 67.9° -67.9°
Mean Anomaly of the Sun 338.15° 338.34° 338.52°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -100.16° -99.95° -99.74°
Sun Declination -23.11° -23.12° -23.13°
Moon 1:35 AM EST (12/12)   1:37 PM EST (12/12)
Length of Visible Light 10h 08m
Length of Day
9h 03m
Waning Crescent, 22% of the Moon is Illuminated
Dec 12
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter