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Astronomy
May. 21, 2013 Rise Solar Noon Set
Actual Time 5:49 AM MDT 1:17 PM MDT 8:47 PM MDT
Civil Twilight 5:15 AM MDT   9:21 PM MDT
Nautical Twilight 4:31 AM MDT   10:05 PM MDT
Astronomical Twilight 3:40 AM MDT   10:56 PM MDT
Altitude -0.8° 66.4° -0.8°
Azimuth 60.3° 180.0° 299.9°
Hour Angle of the Sun 112.2° 112.2° -112.3°
Mean Anomaly of the Sun 136.12° 136.43° 136.74°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 58.44° 58.75° 59.06°
Sun Declination 20.27° 20.33° 20.40°
Moon 4:58 PM MDT   3:27 AM MDT
Length Of Visible Light 16h 06m
Length of Day
14h 57m
Waxing Gibbous, 82% 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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