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Astronomy

Sep. 21, 2019 Rise Solar Noon Set
Actual Time 6:33 AM MDT 12:40 PM MDT 6:47 PM MDT
Civil Twilight 6:05 AM MDT   7:15 PM MDT
Nautical Twilight 5:31 AM MDT   7:48 PM MDT
Astronomical Twilight 4:57 AM MDT   8:23 PM MDT
Altitude -0.8° 47.3° -0.8°
Azimuth 88.3° 180.0° 271.5°
Hour Angle of the Sun 91.8° 91.7° -91.6°
Mean Anomaly of the Sun 256.83° 257.08° 257.33°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 178.39° 178.62° 178.84°
Sun Declination 0.70° 0.60° 0.50°
Moon 11:15 PM MDT (9/21)   1:52 PM MDT (9/21)
Length of Visible Light 13h 10m
Length of Day
12h 13m
Waning Gibbous, 49% of the Moon is Illuminated
Sep 22
Waning Gibbous
Sep 28
New
Oct 5
First Quarter
Oct 13
Full
Oct 21
Last Quarter