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Astronomy
May. 21, 2013 Rise Solar Noon Set
Actual Time 5:47 AM MDT 12:49 PM MDT 7:52 PM MDT
Civil Twilight 5:19 AM MDT   8:21 PM MDT
Nautical Twilight 4:45 AM MDT   8:55 PM MDT
Astronomical Twilight 4:08 AM MDT   9:32 PM MDT
Altitude -0.8° 76.2° -0.8°
Azimuth 64.6° 180.0° 295.5°
Hour Angle of the Sun 105.6° 105.7° -105.7°
Mean Anomaly of the Sun 136.12° 136.41° 136.70°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 58.44° 58.73° 59.03°
Sun Declination 20.27° 20.33° 20.39°
Moon 4:17 PM MDT   3:06 AM MDT
Length Of Visible Light 15h 01m
Length of Day
14h 05m
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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