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Astronomy

Dec. 13, 2019 Rise Solar Noon Set
Actual Time 7:35 AM PST 11:58 AM PST 4:22 PM PST
Civil Twilight 7:01 AM PST   4:56 PM PST
Nautical Twilight 6:24 AM PST   5:33 PM PST
Astronomical Twilight 5:48 AM PST   6:09 PM PST
Altitude -0.8° 21.6° -0.8°
Azimuth 122.9° 180.0° 237.0°
Hour Angle of the Sun 65.9° 65.8° -65.8°
Mean Anomaly of the Sun 338.76° 338.94° 339.12°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -99.44° -99.24° -99.04°
Sun Declination -23.15° -23.16° -23.18°
Moon 5:58 PM PST   9:00 AM PST
Length of Visible Light 9h 54m
Length of Day
8h 46m
Full, 98% of the Moon is Illuminated
Dec 13
Full
Dec 18
Last Quarter
Dec 26
New
Jan 2
First Quarter
Jan 10
Full