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Astronomy

Dec. 16, 2017 Rise Solar Noon Set
Actual Time 7:22 AM EST 11:58 AM EST 4:35 PM EST
Civil Twilight 6:51 AM EST   5:06 PM EST
Nautical Twilight 6:16 AM EST   5:41 PM EST
Astronomical Twilight 5:43 AM EST   6:14 PM EST
Altitude -0.8° 25.3° -0.8°
Azimuth 121.0° 180.0° 239.0°
Hour Angle of the Sun 69.0° 69.0° -69.0°
Mean Anomaly of the Sun 342.10° 342.29° 342.47°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -95.74° -95.52° -95.31°
Sun Declination -23.33° -23.34° -23.35°
Moon 5:37 AM EST (12/16)   3:52 PM EST (12/16)
Length of Visible Light 10h 14m
Length of Day
9h 12m
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