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Astronomy

Sep. 21, 2019 Rise Solar Noon Set
Actual Time 6:45 AM MDT 12:50 PM MDT 6:55 PM MDT
Civil Twilight 6:20 AM MDT   7:20 PM MDT
Nautical Twilight 5:51 AM MDT   7:49 PM MDT
Astronomical Twilight 5:22 AM MDT   8:18 PM MDT
Altitude -0.8° 57.8° -0.8°
Azimuth 88.6° 180.0° 271.1°
Hour Angle of the Sun 91.4° 91.4° -91.3°
Mean Anomaly of the Sun 256.84° 257.09° 257.34°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 178.39° 178.62° 178.85°
Sun Declination 0.70° 0.60° 0.50°
Moon 11:56 PM MDT   1:33 PM MDT
Length of Visible Light 13h 00m
Length of Day
12h 10m
Waning Gibbous, 54% of the Moon is Illuminated
Sep 21
Waning Gibbous
Sep 21
Last Quarter
Sep 28
New
Oct 5
First Quarter
Oct 13
Full