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Astronomy

Dec. 12, 2017 Rise Solar Noon Set
Actual Time 7:01 AM EST 11:37 AM EST 4:13 PM EST
Civil Twilight 6:30 AM EST   4:45 PM EST
Nautical Twilight 5:55 AM EST   5:20 PM EST
Astronomical Twilight 5:21 AM EST   5:53 PM EST
Altitude -0.8° 25.2° -0.8°
Azimuth 120.8° 180.0° 239.2°
Hour Angle of the Sun 69.0° 69.0° -69.0°
Mean Anomaly of the Sun 338.14° 338.33° 338.52°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -100.17° -99.96° -99.75°
Sun Declination -23.11° -23.12° -23.13°
Moon 1:20 AM EST (12/12)   1:24 PM EST (12/12)
Length of Visible Light 10h 15m
Length of Day
9h 12m
Waning Crescent, 23% of the Moon is Illuminated
Dec 12
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter