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Astronomy

Dec. 16, 2017 Rise Solar Noon Set
Actual Time 7:33 AM EST 11:59 AM EST 4:24 PM EST
Civil Twilight 7:00 AM EST   4:58 PM EST
Nautical Twilight 6:23 AM EST   5:35 PM EST
Astronomical Twilight 5:47 AM EST   6:10 PM EST
Altitude -0.8° 22.2° -0.8°
Azimuth 122.7° 180.0° 237.3°
Hour Angle of the Sun 66.4° 66.4° -66.4°
Mean Anomaly of the Sun 342.10° 342.29° 342.47°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -95.73° -95.52° -95.32°
Sun Declination -23.33° -23.34° -23.34°
Moon 5:44 AM EST   3:44 PM EST
Length of Visible Light 9h 58m
Length of Day
8h 51m
Waning Crescent, 2% of the Moon is Illuminated
Dec 16
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter