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Astronomy

Aug. 17, 2019 Rise Solar Noon Set
Actual Time 6:38 AM MDT 1:33 PM MDT 8:27 PM MDT
Civil Twilight 6:08 AM MDT   8:56 PM MDT
Nautical Twilight 5:32 AM MDT   9:33 PM MDT
Astronomical Twilight 4:52 AM MDT   10:12 PM MDT
Altitude -0.8° 61.2° -0.8°
Azimuth 71.0° 180.0° 288.8°
Hour Angle of the Sun 103.7° 103.6° -103.5°
Mean Anomaly of the Sun 222.34° 222.62° 222.91°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun 146.64° 146.90° 147.17°
Sun Declination 13.41° 13.32° 13.22°
Moon 9:54 PM MDT (8/17)   8:32 AM MDT (8/17)
Length of Visible Light 14h 48m
Length of Day
13h 48m
Waning Gibbous, 94% of the Moon is Illuminated
Aug 18
Waning Gibbous
Aug 23
Last Quarter
Aug 30
New
Sep 5
First Quarter
Sep 14
Full