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Astronomy

Sep. 17, 2019 Rise Solar Noon Set
Actual Time 7:10 AM MDT 1:22 PM MDT 7:34 PM MDT
Civil Twilight 6:42 AM MDT   8:01 PM MDT
Nautical Twilight 6:10 AM MDT   8:34 PM MDT
Astronomical Twilight 5:36 AM MDT   9:07 PM MDT
Altitude -0.8° 50.9° -0.8°
Azimuth 86.3° 180.0° 273.4°
Hour Angle of the Sun 93.1° 93.0° -92.9°
Mean Anomaly of the Sun 252.91° 253.17° 253.42°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 174.82° 175.06° 175.29°
Sun Declination 2.24° 2.14° 2.04°
Moon 9:37 PM MDT   10:19 AM MDT
Length of Visible Light 13h 18m
Length of Day
12h 23m
Waning Gibbous, 90% of the Moon is Illuminated
Sep 17
Waning Gibbous
Sep 21
Last Quarter
Sep 28
New
Oct 5
First Quarter
Oct 13
Full