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Astronomy

Dec. 18, 2017 Rise Solar Noon Set
Actual Time 6:07 AM -02 12:54 PM -02 7:40 PM -02
Civil Twilight 5:42 AM -02   8:05 PM -02
Nautical Twilight 5:12 AM -02   8:36 PM -02
Astronomical Twilight 4:40 AM -02   9:07 PM -02
Altitude -0.8° 89.6° -0.8°
Azimuth 115.9° 180.0° 244.0°
Hour Angle of the Sun 101.6° 101.6° -101.6°
Mean Anomaly of the Sun 343.89° 344.17° 344.45°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -93.72° -93.40° -93.09°
Sun Declination -23.39° -23.40° -23.40°
Moon 6:23 AM -02   7:59 PM -02
Length of Visible Light 14h 23m
Length of Day
13h 33m
Waning Crescent, 0% of the Moon is Illuminated
Dec 17
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter