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Astronomy

Dec. 15, 2019 Rise Solar Noon Set
Actual Time 7:51 AM PST 12:04 PM PST 4:16 PM PST
Civil Twilight 7:15 AM PST   4:52 PM PST
Nautical Twilight 6:36 AM PST   5:32 PM PST
Astronomical Twilight 5:58 AM PST   6:10 PM PST
Altitude -0.8° 18.8° -0.8°
Azimuth 125.0° 180.0° 235.0°
Hour Angle of the Sun 63.1° 63.1° -63.1°
Mean Anomaly of the Sun 340.74° 340.92° 341.09°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -97.22° -97.03° -96.83°
Sun Declination -23.27° -23.28° -23.29°
Moon 8:08 PM PST (12/15)   10:57 AM PST (12/15)
Length of Visible Light 9h 37m
Length of Day
8h 24m
Waning Gibbous, 81% of the Moon is Illuminated
Dec 16
Waning Gibbous
Dec 18
Last Quarter
Dec 26
New
Jan 2
First Quarter
Jan 10
Full