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Astronomy

Dec. 15, 2019 Rise Solar Noon Set
Actual Time 7:19 AM PST 12:04 PM PST 4:49 PM PST
Civil Twilight 6:49 AM PST   5:19 PM PST
Nautical Twilight 6:16 AM PST   5:52 PM PST
Astronomical Twilight 5:44 AM PST   6:25 PM PST
Altitude -0.8° 28.3° -0.8°
Azimuth 119.5° 180.0° 240.4°
Hour Angle of the Sun 71.3° 71.3° -71.3°
Mean Anomaly of the Sun 340.72° 340.92° 341.11°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -97.25° -97.03° -96.81°
Sun Declination -23.27° -23.28° -23.29°
Moon 8:37 PM PST (12/15)   10:27 AM PST (12/15)
Length of Visible Light 10h 29m
Length of Day
9h 30m
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