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Astronomy

Jan. 21, 2017 Rise Solar Noon Set
Actual Time 10:50 AM PST 1:16 PM PST 3:43 PM PST
Civil Twilight 9:32 AM PST   5:01 PM PST
Nautical Twilight 8:21 AM PST   6:12 PM PST
Astronomical Twilight 7:17 AM PST   7:16 PM PST
Altitude -0.8° 3.3° -0.8°
Azimuth 145.9° 180.0° 214.3°
Hour Angle of the Sun 36.6° 36.7° -36.8°
Mean Anomaly of the Sun 18.10° 18.20° 18.30°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -55.82° -55.71° -55.60°
Sun Declination -19.73° -19.70° -19.68°
Moon 4:20 AM PST (1/21)   12:07 PM PST (1/21)
Length of Visible Light 7h 28m
Length of Day
4h 53m
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