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Astronomy
May. 21, 2013 Rise Solar Noon Set
Actual Time 5:54 AM MDT 1:01 PM MDT 8:09 PM MDT
Civil Twilight 5:24 AM MDT   8:39 PM MDT
Nautical Twilight 4:49 AM MDT   9:14 PM MDT
Astronomical Twilight 4:10 AM MDT   9:54 PM MDT
Altitude -0.8° 74.0° -0.8°
Azimuth 63.8° 180.0° 296.3°
Hour Angle of the Sun 106.9° 107.0° -107.0°
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 4:32 PM MDT   3:16 AM MDT
Length Of Visible Light 15h 14m
Length of Day
14h 15m
Waxing Gibbous, 83% 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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