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Astronomy
May. 21, 2013 Rise Solar Noon Set
Actual Time 5:33 AM MDT 12:45 PM MDT 7:57 PM MDT
Civil Twilight 5:03 AM MDT   8:27 PM MDT
Nautical Twilight 4:26 AM MDT   9:05 PM MDT
Astronomical Twilight 3:45 AM MDT   9:46 PM MDT
Altitude -0.8° 72.2° -0.8°
Azimuth 63.2° 180.0° 297.0°
Hour Angle of the Sun 108.0° 108.1° -108.1°
Mean Anomaly of the Sun 136.11° 136.41° 136.70°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 58.43° 58.73° 59.03°
Sun Declination 20.27° 20.33° 20.39°
Moon 4:16 PM MDT   2:58 AM MDT
Length Of Visible Light 15h 24m
Length of Day
14h 24m
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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