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Astronomy
May. 21, 2013 Rise Solar Noon Set
Actual Time 5:31 AM MDT 1:00 PM MDT 8:29 PM MDT
Civil Twilight 4:57 AM MDT   9:03 PM MDT
Nautical Twilight 4:14 AM MDT   9:47 PM MDT
Astronomical Twilight 3:22 AM MDT   10:39 PM MDT
Altitude -0.8° 66.4° -0.8°
Azimuth 60.3° 180.0° 299.9°
Hour Angle of the Sun 112.2° 112.3° -112.3°
Mean Anomaly of the Sun 136.11° 136.42° 136.72°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 58.43° 58.74° 59.05°
Sun Declination 20.27° 20.33° 20.39°
Moon 4:39 PM MDT   3:09 AM MDT
Length Of Visible Light 16h 06m
Length of Day
14h 58m
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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