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Astronomy

Sep. 17, 2019 Rise Solar Noon Set
Actual Time 7:04 AM MDT 1:19 PM MDT 7:33 PM MDT
Civil Twilight 6:34 AM MDT   8:04 PM MDT
Nautical Twilight 5:57 AM MDT   8:40 PM MDT
Astronomical Twilight 5:19 AM MDT   9:18 PM MDT
Altitude -0.8° 44.6° -0.8°
Azimuth 85.8° 180.0° 273.9°
Hour Angle of the Sun 93.7° 93.6° -93.5°
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° 175.05° 175.29°
Sun Declination 2.24° 2.14° 2.04°
Moon 9:25 PM MDT   10:24 AM MDT
Length of Visible Light 13h 30m
Length of Day
12h 28m
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