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Astronomy
May. 21, 2013 Rise Solar Noon Set
Actual Time 5:32 AM MDT 12:55 PM MDT 8:19 PM MDT
Civil Twilight 4:59 AM MDT   8:52 PM MDT
Nautical Twilight 4:17 AM MDT   9:34 PM MDT
Astronomical Twilight 3:30 AM MDT   10:22 PM MDT
Altitude -0.8° 68.1° -0.8°
Azimuth 61.2° 180.0° 299.0°
Hour Angle of the Sun 110.9° 111.0° -111.0°
Mean Anomaly of the Sun 136.11° 136.41° 136.72°
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 4:32 PM MDT   3:05 AM MDT
Length Of Visible Light 15h 53m
Length of Day
14h 47m
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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