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Astronomy

Dec. 15, 2019 Rise Solar Noon Set
Actual Time 6:47 AM PST 11:35 AM PST 4:23 PM PST
Civil Twilight 6:18 AM PST   4:53 PM PST
Nautical Twilight 5:45 AM PST   5:25 PM PST
Astronomical Twilight 5:13 AM PST   5:57 PM PST
Altitude -0.8° 29.4° -0.8°
Azimuth 119.1° 180.0° 240.9°
Hour Angle of the Sun 72.0° 72.0° -72.0°
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 8:09 PM PST (12/15)   9:55 AM PST (12/15)
Length of Visible Light 10h 34m
Length of Day
9h 36m
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