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Astronomy
May. 21, 2013 Rise Solar Noon Set
Actual Time 5:36 AM MDT 1:52 PM MDT 10:08 PM MDT
Civil Twilight 4:45 AM MDT   10:59 PM MDT
Nautical Twilight 3:25 AM MDT   12:22 AM MDT
Astronomical Twilight Sun does not rise   Sun does not rise
Altitude -0.8° 55.2° -0.8°
Azimuth 51.1° 180.0° 309.2°
Hour Angle of the Sun 123.9° 124.1° -124.2°
Mean Anomaly of the Sun 136.11° 136.45° 136.79°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 58.43° 58.77° 59.12°
Sun Declination 20.27° 20.34° 20.41°
Moon 5:53 PM MDT (5/21)   3:48 AM MDT (5/21)
Length Of Visible Light 18h 13m
Length of Day
16h 32m
Waxing Gibbous, 87% 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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