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Astronomy
May. 21, 2013 Rise Solar Noon Set
Actual Time 5:54 AM MDT 1:01 PM MDT 8:08 PM MDT
Civil Twilight 5:25 AM MDT   8:37 PM MDT
Nautical Twilight 4:49 AM MDT   9:13 PM MDT
Astronomical Twilight 4:11 AM MDT   9:51 PM MDT
Altitude -0.8° 74.4° -0.8°
Azimuth 64.0° 180.0° 296.2°
Hour Angle of the Sun 106.7° 106.7° -106.8°
Mean Anomaly of the Sun 136.13° 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 4:31 PM MDT (5/21)   3:16 AM MDT (5/21)
Length Of Visible Light 15h 12m
Length of Day
14h 14m
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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