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Astronomy
May. 21, 2013 Rise Solar Noon Set
Actual Time 5:41 AM MDT 12:57 PM MDT 8:13 PM MDT
Civil Twilight 5:10 AM MDT   8:44 PM MDT
Nautical Twilight 4:32 AM MDT   9:23 PM MDT
Astronomical Twilight 3:49 AM MDT   10:06 PM MDT
Altitude -0.8° 70.8° -0.8°
Azimuth 62.5° 180.0° 297.6°
Hour Angle of the Sun 109.0° 109.0° -109.1°
Mean Anomaly of the Sun 136.12° 136.41° 136.71°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 58.43° 58.74° 59.04°
Sun Declination 20.27° 20.33° 20.39°
Moon 4:31 PM MDT   3:09 AM MDT
Length Of Visible Light 15h 34m
Length of Day
14h 32m
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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