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Astronomy

Dec. 15, 2019 Rise Solar Noon Set
Actual Time 7:04 AM PST 11:54 AM PST 4:43 PM PST
Civil Twilight 6:35 AM PST   5:12 PM PST
Nautical Twilight 6:02 AM PST   5:45 PM PST
Astronomical Twilight 5:31 AM PST   6:16 PM PST
Altitude -0.8° 29.9° -0.8°
Azimuth 118.8° 180.0° 241.1°
Hour Angle of the Sun 72.4° 72.4° -72.4°
Mean Anomaly of the Sun 340.71° 340.91° 341.11°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -97.26° -97.04° -96.81°
Sun Declination -23.27° -23.28° -23.29°
Moon 8:30 PM PST (12/15)   10:12 AM PST (12/15)
Length of Visible Light 10h 37m
Length of Day
9h 39m
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