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Astronomy
May. 21, 2013 Rise Solar Noon Set
Actual Time 5:57 AM MDT 1:07 PM MDT 8:18 PM MDT
Civil Twilight 5:28 AM MDT   8:48 PM MDT
Nautical Twilight 4:51 AM MDT   9:24 PM MDT
Astronomical Twilight 4:11 AM MDT   10:05 PM MDT
Altitude -0.8° 73.0° -0.8°
Azimuth 63.5° 180.0° 296.7°
Hour Angle of the Sun 107.5° 107.6° -107.6°
Mean Anomaly of the Sun 136.13° 136.42° 136.72°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 58.44° 58.74° 59.04°
Sun Declination 20.27° 20.33° 20.39°
Moon 4:39 PM MDT   3:22 AM MDT
Length Of Visible Light 15h 20m
Length of Day
14h 20m
Waxing Gibbous, 84% 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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