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Astronomy

Sep. 16, 2019 Rise Solar Noon Set
Actual Time 6:40 AM MDT 12:53 PM MDT 7:05 PM MDT
Civil Twilight 6:14 AM MDT   7:32 PM MDT
Nautical Twilight 5:42 AM MDT   8:03 PM MDT
Astronomical Twilight 5:10 AM MDT   8:36 PM MDT
Altitude -0.8° 53.5° -0.8°
Azimuth 85.9° 180.0° 273.8°
Hour Angle of the Sun 93.2° 93.1° -93.0°
Mean Anomaly of the Sun 251.91° 252.16° 252.42°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 173.91° 174.14° 174.37°
Sun Declination 2.63° 2.53° 2.43°
Moon 8:42 PM MDT (9/16)   8:49 AM MDT (9/16)
Length of Visible Light 13h 18m
Length of Day
12h 24m
Waning Gibbous, 92% of the Moon is Illuminated
Sep 16
Waning Gibbous
Sep 21
Last Quarter
Sep 28
New
Oct 5
First Quarter
Oct 13
Full