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Astronomy

Dec. 12, 2017 Rise Solar Noon Set
Actual Time 7:56 AM EST 12:38 PM EST 5:20 PM EST
Civil Twilight 7:26 AM EST   5:50 PM EST
Nautical Twilight 6:52 AM EST   6:24 PM EST
Astronomical Twilight 6:19 AM EST   6:57 PM EST
Altitude -0.8° 27.1° -0.8°
Azimuth 119.9° 180.0° 240.1°
Hour Angle of the Sun 70.4° 70.4° -70.4°
Mean Anomaly of the Sun 338.18° 338.37° 338.56°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -100.13° -99.92° -99.70°
Sun Declination -23.11° -23.12° -23.14°
Moon 2:23 AM EST   2:27 PM EST
Length of Visible Light 10h 24m
Length of Day
9h 23m
Waning Crescent, 27% of the Moon is Illuminated
Dec 12
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter