Astronomy
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Astronomy
May. 20, 2013 Rise Solar Noon Set
Actual Time 5:29 AM MDT 12:53 PM MDT 8:17 PM MDT
Civil Twilight 4:56 AM MDT   8:50 PM MDT
Nautical Twilight 4:14 AM MDT   9:32 PM MDT
Astronomical Twilight 3:26 AM MDT   10:20 PM MDT
Altitude -0.8° 67.4° -0.8°
Azimuth 61.3° 180.0° 298.9°
Hour Angle of the Sun 111.0° 111.1° -111.1°
Mean Anomaly of the Sun 135.12° 135.43° 135.73°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 57.42° 57.73° 58.04°
Sun Declination 20.07° 20.13° 20.19°
Moon 3:21 PM MDT   2:32 AM MDT
Length Of Visible Light 15h 54m
Length of Day
14h 48m
Waxing Gibbous, 76% 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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