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Astronomy

Dec. 15, 2019 Rise Solar Noon Set
Actual Time 7:39 AM MST 11:56 AM MST 4:13 PM MST
Civil Twilight 7:04 AM MST   4:48 PM MST
Nautical Twilight 6:25 AM MST   5:27 PM MST
Astronomical Twilight 5:48 AM MST   6:04 PM MST
Altitude -0.8° 19.9° -0.8°
Azimuth 124.2° 180.0° 235.8°
Hour Angle of the Sun 64.2° 64.2° -64.2°
Mean Anomaly of the Sun 340.69° 340.87° 341.04°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -97.28° -97.08° -96.88°
Sun Declination -23.27° -23.28° -23.29°
Moon 8:01 PM MST (12/15)   10:43 AM MST (12/15)
Length of Visible Light 9h 44m
Length of Day
8h 33m
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