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Astronomy

Dec. 15, 2019 Rise Solar Noon Set
Actual Time 7:15 AM PST 11:58 AM PST 4:40 PM PST
Civil Twilight 6:45 AM PST   5:10 PM PST
Nautical Twilight 6:11 AM PST   5:44 PM PST
Astronomical Twilight 5:38 AM PST   6:17 PM PST
Altitude -0.8° 27.4° -0.8°
Azimuth 119.9° 180.0° 240.1°
Hour Angle of the Sun 70.7° 70.6° -70.6°
Mean Anomaly of the Sun 340.72° 340.91° 341.10°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -97.25° -97.03° -96.82°
Sun Declination -23.27° -23.28° -23.29°
Moon 8:28 PM PST (12/15)   10:23 AM PST (12/15)
Length of Visible Light 10h 25m
Length of Day
9h 25m
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