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Astronomy
May. 21, 2013 Rise Solar Noon Set
Actual Time 6:05 AM MDT 1:23 PM MDT 8:43 PM MDT
Civil Twilight 5:33 AM MDT   9:14 PM MDT
Nautical Twilight 4:54 AM MDT   9:54 PM MDT
Astronomical Twilight 4:09 AM MDT   10:39 PM MDT
Altitude -0.8° 69.8° -0.8°
Azimuth 62.1° 180.0° 298.1°
Hour Angle of the Sun 109.7° 109.7° -109.8°
Mean Anomaly of the Sun 136.13° 136.43° 136.73°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 58.45° 58.75° 59.06°
Sun Declination 20.27° 20.34° 20.40°
Moon 5:00 PM MDT   3:36 AM MDT
Length Of Visible Light 15h 41m
Length of Day
14h 37m
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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