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Astronomy

Dec. 16, 2017 Rise Solar Noon Set
Actual Time 11:54 AM -03 12:26 PM -03 12:59 PM -03
Civil Twilight 9:56 AM -03   2:56 PM -03
Nautical Twilight 8:22 AM -03   4:31 PM -03
Astronomical Twilight 7:08 AM -03   5:45 PM -03
Altitude -2.2° -2.0° -2.2°
Azimuth 172.6° 180.0° 187.4°
Hour Angle of the Sun 8.1° 8.1° -8.1°
Mean Anomaly of the Sun 342.20° 342.22° 342.25°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -95.62° -95.59° -95.57°
Sun Declination -23.33° -23.34° -23.34°
Moon 8:23 AM -03   1:49 PM -03
Length of Visible Light 5h 00m
Length of Day
1h 04m
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