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Astronomy
May. 18, 2013 Rise Solar Noon Set
Actual Time 5:58 AM MDT 1:17 PM MDT 8:37 PM MDT
Civil Twilight 5:26 AM MDT   9:09 PM MDT
Nautical Twilight 4:46 AM MDT   9:50 PM MDT
Astronomical Twilight 4:00 AM MDT   10:36 PM MDT
Altitude -0.8° 67.9° -0.8°
Azimuth 62.4° 180.0° 297.8°
Hour Angle of the Sun 109.9° 109.9° -110.0°
Mean Anomaly of the Sun 133.17° 133.47° 133.77°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 55.45° 55.75° 56.05°
Sun Declination 19.65° 19.71° 19.78°
Moon 1:38 PM MDT (5/18)   1:58 AM MDT (5/18)
Length Of Visible Light 15h 43m
Length of Day
14h 39m
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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