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Astronomy

Sep. 20, 2019 Rise Solar Noon Set
Actual Time 7:30 AM MDT 1:39 PM MDT 7:46 PM MDT
Civil Twilight 7:01 AM MDT   8:15 PM MDT
Nautical Twilight 6:28 AM MDT   8:49 PM MDT
Astronomical Twilight 5:53 AM MDT   9:23 PM MDT
Altitude -0.8° 47.5° -0.8°
Azimuth 87.7° 180.0° 272.0°
Hour Angle of the Sun 92.2° 92.1° -92.0°
Mean Anomaly of the Sun 255.88° 256.14° 256.39°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 177.53° 177.76° 177.98°
Sun Declination 1.07° 0.97° 0.87°
Moon 11:29 PM MDT   1:50 PM MDT
Length of Visible Light 13h 13m
Length of Day
12h 16m
Waning Gibbous, 67% of the Moon is Illuminated
Sep 20
Waning Gibbous
Sep 21
Last Quarter
Sep 28
New
Oct 5
First Quarter
Oct 13
Full