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Astronomy

Dec. 15, 2019 Rise Solar Noon Set
Actual Time 7:20 AM MST 11:47 AM MST 4:14 PM MST
Civil Twilight 6:47 AM MST   4:47 PM MST
Nautical Twilight 6:10 AM MST   5:24 PM MST
Astronomical Twilight 5:35 AM MST   5:59 PM MST
Altitude -0.8° 22.6° -0.8°
Azimuth 122.4° 180.0° 237.5°
Hour Angle of the Sun 66.7° 66.7° -66.7°
Mean Anomaly of the Sun 340.68° 340.86° 341.05°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -97.29° -97.09° -96.88°
Sun Declination -23.27° -23.28° -23.29°
Moon 8:00 PM MST (12/15)   10:25 AM MST (12/15)
Length of Visible Light 10h 00m
Length of Day
8h 53m
Waning Gibbous, 83% of the Moon is Illuminated
Dec 15
Waning Gibbous
Dec 18
Last Quarter
Dec 26
New
Jan 2
First Quarter
Jan 10
Full