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Astronomy

Jul. 23, 2017 Rise Solar Noon Set
Actual Time 6:09 AM MDT 1:48 PM MDT 9:26 PM MDT
Civil Twilight 5:32 AM MDT   10:03 PM MDT
Nautical Twilight 4:43 AM MDT   10:51 PM MDT
Astronomical Twilight 3:41 AM MDT   11:53 PM MDT
Altitude -0.8° 62.5° -0.8°
Azimuth 58.7° 180.0° 301.1°
Hour Angle of the Sun 114.7° 114.6° -114.5°
Mean Anomaly of the Sun 198.19° 198.50° 198.82°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 123.05° 123.36° 123.68°
Sun Declination 19.97° 19.90° 19.83°
Moon 6:32 AM MDT (7/23)   9:40 PM MDT (7/23)
Length of Visible Light 16h 31m
Length of Day
15h 16m
New Moon, 1% of the Moon is Illuminated
Jul 23
New Moon
Jul 30
First Quarter
Aug 7
Full
Aug 14
Last Quarter
Aug 21
New