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Astronomy

Dec. 16, 2017 Rise Solar Noon Set
Actual Time 7:18 AM EST 12:02 PM EST 4:47 PM EST
Civil Twilight 6:48 AM EST   5:16 PM EST
Nautical Twilight 6:15 AM EST   5:50 PM EST
Astronomical Twilight 5:42 AM EST   6:22 PM EST
Altitude -0.8° 28.1° -0.8°
Azimuth 119.7° 180.0° 240.3°
Hour Angle of the Sun 71.1° 71.1° -71.1°
Mean Anomaly of the Sun 342.09° 342.29° 342.48°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -95.74° -95.52° -95.30°
Sun Declination -23.33° -23.34° -23.35°
Moon 5:35 AM EST (12/16)   4:02 PM EST (12/16)
Length of Visible Light 10h 28m
Length of Day
9h 28m
Waning Crescent, 1% of the Moon is Illuminated
Dec 16
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter