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Astronomy
May. 21, 2013 Rise Solar Noon Set
Actual Time 5:17 AM NDT 1:11 PM NDT 9:05 PM NDT
Civil Twilight 4:35 AM NDT   9:47 PM NDT
Nautical Twilight 3:38 AM NDT   10:45 PM NDT
Astronomical Twilight 2:07 AM NDT   12:20 AM NDT
Altitude -0.8° 59.6° -0.8°
Azimuth 55.7° 180.0° 304.6°
Hour Angle of the Sun 118.4° 118.5° -118.6°
Mean Anomaly of the Sun 135.96° 136.28° 136.60°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 58.27° 58.60° 58.93°
Sun Declination 20.24° 20.30° 20.37°
Moon 4:50 PM NDT   3:09 AM NDT
Length Of Visible Light 17h 11m
Length of Day
15h 47m
Waxing Gibbous, 83% of the Moon is Illuminated
May 21
Waxing Gibbous
May 25
Full
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter
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