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Astronomy
May. 20, 2013 Rise Solar Noon Set
Actual Time 5:33 AM MDT 1:04 PM MDT 8:35 PM MDT
Civil Twilight 4:59 AM MDT   9:10 PM MDT
Nautical Twilight 4:14 AM MDT   9:55 PM MDT
Astronomical Twilight 3:21 AM MDT   10:48 PM MDT
Altitude -0.8° 65.3° -0.8°
Azimuth 60.1° 180.0° 300.1°
Hour Angle of the Sun 112.6° 112.7° -112.8°
Mean Anomaly of the Sun 135.13° 135.43° 135.74°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 57.43° 57.74° 58.05°
Sun Declination 20.07° 20.13° 20.19°
Moon 3:35 PM MDT (5/20)   2:43 AM MDT (5/20)
Length Of Visible Light 16h 11m
Length of Day
15h 01m
Waxing Gibbous, 78% 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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