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Astronomy

Dec. 13, 2019 Rise Solar Noon Set
Actual Time 7:45 AM MST 12:17 PM MST 4:50 PM MST
Civil Twilight 7:13 AM MST   5:22 PM MST
Nautical Twilight 6:37 AM MST   5:58 PM MST
Astronomical Twilight 6:03 AM MST   6:32 PM MST
Altitude -0.8° 24.1° -0.8°
Azimuth 121.4° 180.0° 238.5°
Hour Angle of the Sun 68.1° 68.1° -68.1°
Mean Anomaly of the Sun 338.73° 338.91° 339.10°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -99.48° -99.27° -99.06°
Sun Declination -23.15° -23.16° -23.17°
Moon 6:25 PM MST   9:08 AM MST
Length of Visible Light 10h 09m
Length of Day
9h 04m
Full, 98% of the Moon is Illuminated
Dec 13
Full
Dec 18
Last Quarter
Dec 26
New
Jan 2
First Quarter
Jan 10
Full