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Astronomy

Sep. 19, 2018 Rise Solar Noon Set
Actual Time 7:19 AM MDT 1:29 PM MDT 7:38 PM MDT
Civil Twilight 6:49 AM MDT   8:08 PM MDT
Nautical Twilight 6:14 AM MDT   8:42 PM MDT
Astronomical Twilight 5:39 AM MDT   9:18 PM MDT
Altitude -0.8° 46.1° -0.8°
Azimuth 87.2° 180.0° 272.5°
Hour Angle of the Sun 92.6° 92.5° -92.4°
Mean Anomaly of the Sun 255.15° 255.40° 255.65°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 176.84° 177.07° 177.30°
Sun Declination 1.37° 1.27° 1.17°
Moon 5:12 PM MDT (9/19)   1:49 AM MDT (9/19)
Length of Visible Light 13h 18m
Length of Day
12h 19m
Waxing Gibbous, 79% of the Moon is Illuminated
Sep 20
Waxing Gibbous
Sep 24
Full
Oct 2
Last Quarter
Oct 8
New
Oct 16
First Quarter