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Astronomy

Sep. 20, 2019 Rise Solar Noon Set
Actual Time 6:38 AM MDT 12:46 PM MDT 6:52 PM MDT
Civil Twilight 6:13 AM MDT   7:18 PM MDT
Nautical Twilight 5:43 AM MDT   7:48 PM MDT
Astronomical Twilight 5:12 AM MDT   8:18 PM MDT
Altitude -0.8° 55.1° -0.8°
Azimuth 88.1° 180.0° 271.7°
Hour Angle of the Sun 91.8° 91.7° -91.7°
Mean Anomaly of the Sun 255.85° 256.10° 256.35°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 177.49° 177.72° 177.95°
Sun Declination 1.09° 0.99° 0.89°
Moon 10:55 PM MDT   12:35 PM MDT
Length of Visible Light 13h 04m
Length of Day
12h 13m
Waning Gibbous, 68% of the Moon is Illuminated
Sep 20
Waning Gibbous
Sep 21
Last Quarter
Sep 28
New
Oct 5
First Quarter
Oct 13
Full