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Astronomy

Dec. 15, 2019 Rise Solar Noon Set
Actual Time 6:44 AM PST 11:44 AM PST 4:43 PM PST
Civil Twilight 6:17 AM PST   5:11 PM PST
Nautical Twilight 5:46 AM PST   5:42 PM PST
Astronomical Twilight 5:16 AM PST   6:12 PM PST
Altitude -0.8° 33.7° -0.8°
Azimuth 117.5° 180.0° 242.5°
Hour Angle of the Sun 74.9° 74.9° -74.9°
Mean Anomaly of the Sun 340.70° 340.90° 341.11°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -97.27° -97.04° -96.81°
Sun Declination -23.27° -23.28° -23.29°
Moon 8:28 PM PST (12/15)   9:53 AM PST (12/15)
Length of Visible Light 10h 54m
Length of Day
9h 59m
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