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Astronomy

Sep. 20, 2019 Rise Solar Noon Set
Actual Time 6:56 AM MDT 1:04 PM MDT 7:10 PM MDT
Civil Twilight 6:30 AM MDT   7:36 PM MDT
Nautical Twilight 6:00 AM MDT   8:06 PM MDT
Astronomical Twilight 5:29 AM MDT   8:37 PM MDT
Altitude -0.8° 54.2° -0.8°
Azimuth 88.0° 180.0° 271.7°
Hour Angle of the Sun 91.9° 91.8° -91.7°
Mean Anomaly of the Sun 255.86° 256.11° 256.36°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 177.51° 177.73° 177.96°
Sun Declination 1.08° 0.98° 0.88°
Moon 11:11 PM MDT (9/20)   12:56 PM MDT (9/20)
Length of Visible Light 13h 05m
Length of Day
12h 14m
Waning Gibbous, 59% of the Moon is Illuminated
Sep 21
Waning Gibbous
Sep 21
Last Quarter
Sep 28
New
Oct 5
First Quarter
Oct 13
Full