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Astronomy

Dec. 15, 2019 Rise Solar Noon Set
Actual Time 6:43 AM PST 11:35 AM PST 4:26 PM PST
Civil Twilight 6:15 AM PST   4:55 PM PST
Nautical Twilight 5:43 AM PST   5:27 PM PST
Astronomical Twilight 5:11 AM PST   5:58 PM PST
Altitude -0.8° 30.5° -0.8°
Azimuth 118.6° 180.0° 241.3°
Hour Angle of the Sun 72.8° 72.8° -72.8°
Mean Anomaly of the Sun 340.70° 340.90° 341.09°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -97.27° -97.05° -96.83°
Sun Declination -23.27° -23.28° -23.29°
Moon 8:12 PM PST (12/15)   9:51 AM PST (12/15)
Length of Visible Light 10h 39m
Length of Day
9h 42m
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