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Astronomy

Sep. 17, 2019 Rise Solar Noon Set
Actual Time 7:13 AM MDT 1:24 PM MDT 7:34 PM MDT
Civil Twilight 6:47 AM MDT   8:00 PM MDT
Nautical Twilight 6:17 AM MDT   8:31 PM MDT
Astronomical Twilight 5:46 AM MDT   9:02 PM MDT
Altitude -0.8° 55.1° -0.8°
Azimuth 86.6° 180.0° 273.2°
Hour Angle of the Sun 92.7° 92.7° -92.6°
Mean Anomaly of the Sun 252.92° 253.17° 253.42°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 174.83° 175.06° 175.29°
Sun Declination 2.24° 2.14° 2.04°
Moon 9:44 PM MDT   10:18 AM MDT
Length of Visible Light 13h 13m
Length of Day
12h 21m
Waning Gibbous, 91% of the Moon is Illuminated
Sep 17
Waning Gibbous
Sep 21
Last Quarter
Sep 28
New
Oct 5
First Quarter
Oct 13
Full