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Astronomy
May. 20, 2013 Rise Solar Noon Set
Actual Time 5:40 AM MDT 12:56 PM MDT 8:13 PM MDT
Civil Twilight 5:09 AM MDT   8:44 PM MDT
Nautical Twilight 4:31 AM MDT   9:22 PM MDT
Astronomical Twilight 3:48 AM MDT   10:06 PM MDT
Altitude -0.8° 70.3° -0.8°
Azimuth 62.7° 180.0° 297.5°
Hour Angle of the Sun 109.0° 109.0° -109.1°
Mean Anomaly of the Sun 135.13° 135.43° 135.73°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 57.43° 57.73° 58.04°
Sun Declination 20.07° 20.13° 20.19°
Moon 3:23 PM MDT (5/20)   2:36 AM MDT (5/20)
Length Of Visible Light 15h 34m
Length of Day
14h 32m
Waxing Gibbous, 79% of the Moon is Illuminated
May 20
Waxing Gibbous
May 25
Full
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter
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