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Astronomy
May. 21, 2013 Rise Solar Noon Set
Actual Time 5:24 AM MDT 12:57 PM MDT 8:31 PM MDT
Civil Twilight 4:49 AM MDT   9:07 PM MDT
Nautical Twilight 4:04 AM MDT   9:52 PM MDT
Astronomical Twilight 3:08 AM MDT   10:48 PM MDT
Altitude -0.8° 65.0° -0.8°
Azimuth 59.5° 180.0° 300.7°
Hour Angle of the Sun 113.3° 113.3° -113.4°
Mean Anomaly of the Sun 136.10° 136.41° 136.73°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 58.42° 58.74° 59.05°
Sun Declination 20.27° 20.33° 20.39°
Moon 4:38 PM MDT   3:05 AM MDT
Length Of Visible Light 16h 17m
Length of Day
15h 06m
Waxing Gibbous, 82% 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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