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Astronomy

Dec. 16, 2019 Rise Solar Noon Set
Actual Time 7:48 AM MST 12:23 PM MST 4:57 PM MST
Civil Twilight 7:16 AM MST   5:29 PM MST
Nautical Twilight 6:41 AM MST   6:04 PM MST
Astronomical Twilight 6:07 AM MST   6:38 PM MST
Altitude -0.8° 24.9° -0.8°
Azimuth 121.2° 180.0° 238.8°
Hour Angle of the Sun 68.7° 68.6° -68.6°
Mean Anomaly of the Sun 341.68° 341.87° 342.06°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -96.16° -95.95° -95.74°
Sun Declination -23.32° -23.32° -23.33°
Moon 9:55 PM MST   11:35 AM MST
Length of Visible Light 10h 12m
Length of Day
9h 09m
Waning Gibbous, 79% of the Moon is Illuminated
Dec 16
Waning Gibbous
Dec 18
Last Quarter
Dec 26
New
Jan 2
First Quarter
Jan 10
Full