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Astronomy

Jan. 21, 2018 Rise Solar Noon Set
Actual Time 7:30 AM MST 12:17 PM MST 5:04 PM MST
Civil Twilight 6:59 AM MST   5:35 PM MST
Nautical Twilight 6:24 AM MST   6:10 PM MST
Astronomical Twilight 5:51 AM MST   6:43 PM MST
Altitude -0.8° 27.3° -0.8°
Azimuth 116.7° 180.0° 243.4°
Hour Angle of the Sun 71.7° 71.8° -71.8°
Mean Anomaly of the Sun 17.67° 17.86° 18.06°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -56.26° -56.05° -55.84°
Sun Declination -19.82° -19.78° -19.73°
Moon 10:03 AM MST   9:47 PM MST
Length of Visible Light 10h 35m
Length of Day
9h 34m
Waxing Crescent, 18% of the Moon is Illuminated
Jan 21
Waxing Crescent
Jan 24
First Quarter
Jan 31
Full
Feb 7
Last Quarter
Feb 15
New