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Astronomy
May. 21, 2013 Rise Solar Noon Set
Actual Time 6:15 AM MDT 1:44 PM MDT 9:14 PM MDT
Civil Twilight 5:41 AM MDT   9:48 PM MDT
Nautical Twilight 4:57 AM MDT   10:32 PM MDT
Astronomical Twilight 4:06 AM MDT   11:24 PM MDT
Altitude -0.8° 66.3° -0.8°
Azimuth 60.2° 180.0° 299.9°
Hour Angle of the Sun 112.3° 112.3° -112.4°
Mean Anomaly of the Sun 136.14° 136.45° 136.75°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 58.46° 58.77° 59.08°
Sun Declination 20.28° 20.34° 20.40°
Moon 5:26 PM MDT (5/21)   3:54 AM MDT (5/21)
Length Of Visible Light 16h 07m
Length of Day
14h 58m
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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