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Astronomy
May. 21, 2013 Rise Solar Noon Set
Actual Time 5:30 AM MDT 12:45 PM MDT 8:01 PM MDT
Civil Twilight 4:59 AM MDT   8:32 PM MDT
Nautical Twilight 4:21 AM MDT   9:10 PM MDT
Astronomical Twilight 3:38 AM MDT   9:53 PM MDT
Altitude -0.8° 71.0° -0.8°
Azimuth 62.6° 180.0° 297.5°
Hour Angle of the Sun 108.8° 108.9° -108.9°
Mean Anomaly of the Sun 136.11° 136.41° 136.70°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 58.42° 58.73° 59.03°
Sun Declination 20.27° 20.33° 20.39°
Moon 4:18 PM MDT (5/21)   2:58 AM MDT (5/21)
Length Of Visible Light 15h 32m
Length of Day
14h 30m
Waxing Gibbous, 88% of the Moon is Illuminated
May 22
Waxing Gibbous
May 25
Full
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter
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