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Astronomy

Dec. 15, 2017 Rise Solar Noon Set
Actual Time 7:09 AM EST 12:23 PM EST 5:37 PM EST
Civil Twilight 6:43 AM EST   6:03 PM EST
Nautical Twilight 6:14 AM EST   6:31 PM EST
Astronomical Twilight 5:46 AM EST   7:00 PM EST
Altitude -0.8° 40.0° -0.8°
Azimuth 115.8° 180.0° 244.2°
Hour Angle of the Sun 78.5° 78.5° -78.5°
Mean Anomaly of the Sun 341.10° 341.32° 341.53°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -96.85° -96.61° -96.37°
Sun Declination -23.29° -23.30° -23.31°
Moon 4:44 AM EST   4:06 PM EST
Length of Visible Light 11h 19m
Length of Day
10h 28m
Waning Crescent, 7% of the Moon is Illuminated
Dec 15
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter