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Astronomy
May. 18, 2013 Rise Solar Noon Set
Actual Time 5:53 AM MDT 1:15 PM MDT 8:38 PM MDT
Civil Twilight 5:20 AM MDT   9:11 PM MDT
Nautical Twilight 4:39 AM MDT   9:53 PM MDT
Astronomical Twilight 3:51 AM MDT   10:41 PM MDT
Altitude -0.8° 66.9° -0.8°
Azimuth 61.9° 180.0° 298.3°
Hour Angle of the Sun 110.6° 110.7° -110.7°
Mean Anomaly of the Sun 133.17° 133.47° 133.77°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 55.44° 55.75° 56.05°
Sun Declination 19.65° 19.71° 19.78°
Moon 1:35 PM MDT (5/18)   1:57 AM MDT (5/18)
Length Of Visible Light 15h 51m
Length of Day
14h 45m
First Quarter, 60% of the Moon is Illuminated
May 19
First Quarter
May 25
Full
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter
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