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Astronomy
May. 21, 2013 Rise Solar Noon Set
Actual Time 5:47 AM MDT 1:01 PM MDT 8:15 PM MDT
Civil Twilight 5:16 AM MDT   8:46 PM MDT
Nautical Twilight 4:38 AM MDT   9:24 PM MDT
Astronomical Twilight 3:56 AM MDT   10:06 PM MDT
Altitude -0.8° 71.5° -0.8°
Azimuth 62.8° 180.0° 297.3°
Hour Angle of the Sun 108.5° 108.6° -108.6°
Mean Anomaly of the Sun 136.12° 136.42° 136.71°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 58.44° 58.74° 59.04°
Sun Declination 20.27° 20.33° 20.39°
Moon 4:34 PM MDT   3:14 AM MDT
Length Of Visible Light 15h 29m
Length of Day
14h 28m
Waxing Gibbous, 80% 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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