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Astronomy

Dec. 11, 2017 Rise Solar Noon Set
Actual Time 7:32 AM EST 12:16 PM EST 5:01 PM EST
Civil Twilight 7:02 AM EST   5:31 PM EST
Nautical Twilight 6:28 AM EST   6:04 PM EST
Astronomical Twilight 5:56 AM EST   6:37 PM EST
Altitude -0.8° 28.0° -0.8°
Azimuth 119.4° 180.0° 240.5°
Hour Angle of the Sun 71.1° 71.1° -71.1°
Mean Anomaly of the Sun 337.18° 337.37° 337.56°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -101.25° -101.03° -100.82°
Sun Declination -23.03° -23.05° -23.06°
Moon 1:00 AM EST (12/11)   1:35 PM EST (12/11)
Length of Visible Light 10h 28m
Length of Day
9h 29m
Waning Crescent, 32% of the Moon is Illuminated
Dec 11
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter