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Astronomy
May. 18, 2013 Rise Solar Noon Set
Actual Time 5:22 AM MDT 12:49 PM MDT 8:18 PM MDT
Civil Twilight 4:47 AM MDT   8:52 PM MDT
Nautical Twilight 4:04 AM MDT   9:36 PM MDT
Astronomical Twilight 3:12 AM MDT   10:28 PM MDT
Altitude -0.8° 65.1° -0.8°
Azimuth 60.9° 180.0° 299.3°
Hour Angle of the Sun 112.0° 112.0° -112.1°
Mean Anomaly of the Sun 133.15° 133.45° 133.76°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 55.42° 55.73° 56.04°
Sun Declination 19.64° 19.71° 19.78°
Moon 1:07 PM MDT (5/18)   1:33 AM MDT (5/18)
Length Of Visible Light 16h 05m
Length of Day
14h 56m
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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