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Astronomy

Dec. 18, 2017 Rise Solar Noon Set
Actual Time 7:43 AM EST 12:36 PM EST 5:30 PM EST
Civil Twilight 7:15 AM EST   5:58 PM EST
Nautical Twilight 6:43 AM EST   6:30 PM EST
Astronomical Twilight 6:12 AM EST   7:01 PM EST
Altitude -0.8° 31.3° -0.8°
Azimuth 118.4° 180.0° 241.5°
Hour Angle of the Sun 73.3° 73.3° -73.3°
Mean Anomaly of the Sun 344.08° 344.28° 344.48°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -93.50° -93.28° -93.05°
Sun Declination -23.40° -23.40° -23.41°
Moon 7:48 AM EST   6:08 PM EST
Length of Visible Light 10h 43m
Length of Day
9h 46m
New Moon, 0% of the Moon is Illuminated
Dec 18
New Moon
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter
Jan 16
New