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Astronomy

Jan. 21, 2017 Rise Solar Noon Set
Actual Time 8:25 AM +09 12:29 PM +09 4:33 PM +09
Civil Twilight 7:44 AM +09   5:15 PM +09
Nautical Twilight 6:59 AM +09   6:00 PM +09
Astronomical Twilight 6:16 AM +09   6:43 PM +09
Altitude -0.8° 15.4° -0.8°
Azimuth 124.7° 180.0° 235.5°
Hour Angle of the Sun 61.0° 61.0° -61.1°
Mean Anomaly of the Sun 17.30° 17.47° 17.64°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -56.67° -56.49° -56.31°
Sun Declination -19.91° -19.87° -19.83°
Moon 1:49 AM +09   12:01 PM +09
Length of Visible Light 9h 31m
Length of Day
8h 08m
Last Quarter, 36% of the Moon is Illuminated
Jan 21
Last Quarter
Jan 27
New
Feb 3
First Quarter
Feb 10
Full
Feb 18
Last Quarter