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Astronomy
May. 20, 2013 Rise Solar Noon Set
Actual Time 5:40 AM MDT 1:10 PM MDT 8:40 PM MDT
Civil Twilight 5:06 AM MDT   9:14 PM MDT
Nautical Twilight 4:22 AM MDT   9:59 PM MDT
Astronomical Twilight 3:29 AM MDT   10:51 PM MDT
Altitude -0.8° 65.6° -0.8°
Azimuth 60.3° 180.0° 299.9°
Hour Angle of the Sun 112.4° 112.5° -112.5°
Mean Anomaly of the Sun 135.13° 135.44° 135.75°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 57.43° 57.74° 58.06°
Sun Declination 20.07° 20.13° 20.20°
Moon 3:40 PM MDT   2:49 AM MDT
Length Of Visible Light 16h 08m
Length of Day
14h 59m
Waxing Gibbous, 76% of the Moon is Illuminated
May 20
Waxing Gibbous
May 25
Full
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter
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