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Astronomy

Dec. 12, 2017 Rise Solar Noon Set
Actual Time 7:18 AM EST 11:44 AM EST 4:10 PM EST
Civil Twilight 6:44 AM EST   4:43 PM EST
Nautical Twilight 6:07 AM EST   5:20 PM EST
Astronomical Twilight 5:32 AM EST   5:56 PM EST
Altitude -0.8° 22.3° -0.8°
Azimuth 122.4° 180.0° 237.5°
Hour Angle of the Sun 66.5° 66.5° -66.5°
Mean Anomaly of the Sun 338.15° 338.33° 338.52°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -100.16° -99.96° -99.75°
Sun Declination -23.11° -23.12° -23.13°
Moon 1:28 AM EST (12/12)   1:29 PM EST (12/12)
Length of Visible Light 9h 59m
Length of Day
8h 52m
Waning Crescent, 24% of the Moon is Illuminated
Dec 12
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter