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Astronomy

Jan. 21, 2017 Rise Solar Noon Set
Actual Time 6:59 AM PST 11:55 AM PST 4:51 PM PST
Civil Twilight 6:30 AM PST   5:20 PM PST
Nautical Twilight 5:57 AM PST   5:53 PM PST
Astronomical Twilight 5:25 AM PST   6:25 PM PST
Altitude -0.8° 30.8° -0.8°
Azimuth 115.2° 180.0° 244.9°
Hour Angle of the Sun 74.0° 74.0° -74.0°
Mean Anomaly of the Sun 17.94° 18.14° 18.35°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -55.99° -55.77° -55.55°
Sun Declination -19.76° -19.72° -19.67°
Moon 1:27 AM PST (1/21)   12:18 PM PST (1/21)
Length of Visible Light 10h 50m
Length of Day
9h 52m
Waning Crescent, 29% of the Moon is Illuminated
Jan 21
Waning Crescent
Jan 27
New
Feb 3
First Quarter
Feb 10
Full
Feb 18
Last Quarter