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Astronomy
May. 21, 2013 Rise Solar Noon Set
Actual Time 5:46 AM MDT 1:11 PM MDT 8:36 PM MDT
Civil Twilight 5:13 AM MDT   9:10 PM MDT
Nautical Twilight 4:31 AM MDT   9:52 PM MDT
Astronomical Twilight 3:42 AM MDT   10:41 PM MDT
Altitude -0.8° 67.6° -0.8°
Azimuth 61.0° 180.0° 299.2°
Hour Angle of the Sun 111.3° 111.3° -111.4°
Mean Anomaly of the Sun 136.12° 136.42° 136.73°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 58.44° 58.75° 59.06°
Sun Declination 20.27° 20.33° 20.39°
Moon 4:49 PM MDT   3:21 AM MDT
Length Of Visible Light 15h 57m
Length of Day
14h 50m
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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