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Astronomy
May. 18, 2013 Rise Solar Noon Set
Actual Time 6:08 AM MDT 1:23 PM MDT 8:38 PM MDT
Civil Twilight 5:37 AM MDT   9:09 PM MDT
Nautical Twilight 4:58 AM MDT   9:47 PM MDT
Astronomical Twilight 4:16 AM MDT   10:31 PM MDT
Altitude -0.8° 69.7° -0.8°
Azimuth 63.2° 180.0° 297.0°
Hour Angle of the Sun 108.7° 108.7° -108.8°
Mean Anomaly of the Sun 133.18° 133.48° 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 1:45 PM MDT   2:02 AM MDT
Length Of Visible Light 15h 31m
Length of Day
14h 29m
First Quarter, 57% 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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