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Astronomy

Sep. 17, 2019 Rise Solar Noon Set
Actual Time 6:53 AM MDT 1:03 PM MDT 7:12 PM MDT
Civil Twilight 6:29 AM MDT   7:37 PM MDT
Nautical Twilight 5:59 AM MDT   8:06 PM MDT
Astronomical Twilight 5:30 AM MDT   8:36 PM MDT
Altitude -0.8° 58.9° -0.8°
Azimuth 86.8° 180.0° 273.0°
Hour Angle of the Sun 92.5° 92.4° -92.3°
Mean Anomaly of the Sun 252.90° 253.16° 253.41°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 174.81° 175.04° 175.27°
Sun Declination 2.24° 2.14° 2.05°
Moon 9:26 PM MDT   9:53 AM MDT
Length of Visible Light 13h 08m
Length of Day
12h 19m
Waning Gibbous, 89% of the Moon is Illuminated
Sep 17
Waning Gibbous
Sep 21
Last Quarter
Sep 28
New
Oct 5
First Quarter
Oct 13
Full