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Astronomy
May. 21, 2013 Rise Solar Noon Set
Actual Time 6:07 AM MDT 1:22 PM MDT 8:39 PM MDT
Civil Twilight 5:36 AM MDT   9:10 PM MDT
Nautical Twilight 4:57 AM MDT   9:48 PM MDT
Astronomical Twilight 4:15 AM MDT   10:31 PM MDT
Altitude -0.8° 70.9° -0.8°
Azimuth 62.6° 180.0° 297.6°
Hour Angle of the Sun 108.9° 109.0° -109.0°
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° 20.33° 20.39°
Moon 4:57 PM MDT   3:36 AM MDT
Length Of Visible Light 15h 33m
Length of Day
14h 31m
Waxing Gibbous, 84% 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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