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Astronomy

Apr. 23, 2018 Rise Solar Noon Set
Actual Time 7:32 AM -03 12:57 PM -03 6:23 PM -03
Civil Twilight 7:05 AM -03   6:49 PM -03
Nautical Twilight 6:35 AM -03   7:20 PM -03
Astronomical Twilight 6:05 AM -03   7:50 PM -03
Altitude -0.8° 40.5° -0.8°
Azimuth 74.8° 0.0° 285.3°
Hour Angle of the Sun 81.5° 81.4° -81.3°
Mean Anomaly of the Sun 108.18° 108.40° 108.62°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 31.01° 31.22° 31.43°
Sun Declination 12.59° 12.66° 12.74°
Moon 2:53 PM -03   12:30 AM -03
Length of Visible Light 11h 44m
Length of Day
10h 51m
First Quarter, 56% of the Moon is Illuminated
Apr 23
First Quarter
Apr 29
Full
May 7
Last Quarter
May 15
New
May 21
First Quarter