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Astronomy
May. 18, 2013 Rise Solar Noon Set
Actual Time 5:42 AM MDT 12:56 PM MDT 8:11 PM MDT
Civil Twilight 5:11 AM MDT   8:42 PM MDT
Nautical Twilight 4:33 AM MDT   9:21 PM MDT
Astronomical Twilight 3:50 AM MDT   10:04 PM MDT
Altitude -0.8° 69.8° -0.8°
Azimuth 63.2° 180.0° 297.0°
Hour Angle of the Sun 108.6° 108.7° -108.7°
Mean Anomaly of the Sun 133.16° 133.46° 133.76°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 55.43° 55.73° 56.04°
Sun Declination 19.64° 19.71° 19.77°
Moon 1:17 PM MDT   1:35 AM MDT
Length Of Visible Light 15h 31m
Length of Day
14h 29m
First Quarter, 54% 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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