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Astronomy

Dec. 16, 2017 Rise Solar Noon Set
Actual Time 7:26 AM EST 12:25 PM EST 5:23 PM EST
Civil Twilight 6:59 AM EST   5:50 PM EST
Nautical Twilight 6:28 AM EST   6:21 PM EST
Astronomical Twilight 5:57 AM EST   6:52 PM EST
Altitude -0.8° 33.2° -0.8°
Azimuth 117.7° 180.0° 242.2°
Hour Angle of the Sun 74.5° 74.5° -74.5°
Mean Anomaly of the Sun 342.10° 342.30° 342.51°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -95.73° -95.50° -95.27°
Sun Declination -23.33° -23.34° -23.35°
Moon 5:48 AM EST (12/16)   4:35 PM EST (12/16)
Length of Visible Light 10h 51m
Length of Day
9h 56m
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