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Astronomy
May. 21, 2013 Rise Solar Noon Set
Actual Time 5:33 AM MDT 12:49 PM MDT 8:06 PM MDT
Civil Twilight 5:02 AM MDT   8:37 PM MDT
Nautical Twilight 4:23 AM MDT   9:16 PM MDT
Astronomical Twilight 3:40 AM MDT   9:59 PM MDT
Altitude -0.8° 70.6° -0.8°
Azimuth 62.5° 180.0° 297.7°
Hour Angle of the Sun 109.1° 109.1° -109.2°
Mean Anomaly of the Sun 136.11° 136.41° 136.71°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 58.43° 58.73° 59.04°
Sun Declination 20.27° 20.33° 20.39°
Moon 4:23 PM MDT (5/21)   3:02 AM MDT (5/21)
Length Of Visible Light 15h 35m
Length of Day
14h 33m
Waxing Gibbous, 88% of the Moon is Illuminated
May 22
Waxing Gibbous
May 25
Full
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter
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