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Astronomy

Dec. 16, 2017 Rise Solar Noon Set
Actual Time 5:34 AM -03 12:54 PM -03 8:15 PM -03
Civil Twilight 5:03 AM -03   8:46 PM -03
Nautical Twilight 4:24 AM -03   9:24 PM -03
Astronomical Twilight 3:41 AM -03   10:07 PM -03
Altitude -0.8° 76.4° -0.8°
Azimuth 120.4° 360.0° 239.6°
Hour Angle of the Sun 110.1° 110.1° -110.1°
Mean Anomaly of the Sun 341.94° 342.24° 342.54°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -95.91° -95.57° -95.23°
Sun Declination -23.32° -23.34° -23.35°
Moon 4:38 AM -03   6:47 PM -03
Length of Visible Light 15h 42m
Length of Day
14h 41m
Waning Crescent, 2% of the Moon is Illuminated
Dec 16
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter