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Astronomy
May. 18, 2013 Rise Solar Noon Set
Actual Time 6:04 AM MDT 1:23 PM MDT 8:43 PM MDT
Civil Twilight 5:32 AM MDT   9:16 PM MDT
Nautical Twilight 4:51 AM MDT   9:56 PM MDT
Astronomical Twilight 4:06 AM MDT   10:42 PM MDT
Altitude -0.8° 67.9° -0.8°
Azimuth 62.3° 180.0° 297.8°
Hour Angle of the Sun 109.9° 109.9° -110.0°
Mean Anomaly of the Sun 133.17° 133.48° 133.78°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 55.45° 55.75° 56.06°
Sun Declination 19.65° 19.71° 19.78°
Moon 1:44 PM MDT (5/18)   2:04 AM MDT (5/18)
Length Of Visible Light 15h 43m
Length of Day
14h 39m
First Quarter, 59% of the Moon is Illuminated
May 18
First Quarter
May 25
Full
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter
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