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Astronomy
May. 18, 2013 Rise Solar Noon Set
Actual Time 5:43 AM MDT 12:55 PM MDT 8:07 PM MDT
Civil Twilight 5:13 AM MDT   8:38 PM MDT
Nautical Twilight 4:35 AM MDT   9:15 PM MDT
Astronomical Twilight 3:54 AM MDT   9:57 PM MDT
Altitude -0.8° 70.8° -0.8°
Azimuth 63.6° 180.0° 296.5°
Hour Angle of the Sun 108.0° 108.0° -108.1°
Mean Anomaly of the Sun 133.16° 133.46° 133.75°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 55.44° 55.73° 56.03°
Sun Declination 19.64° 19.71° 19.77°
Moon 1:17 PM MDT (5/18)   1:33 AM MDT (5/18)
Length Of Visible Light 15h 25m
Length of Day
14h 24m
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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