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Astronomy

Oct. 20, 2017 Rise Solar Noon Set
Actual Time 5:51 AM JST 11:25 AM JST 4:59 PM JST
Civil Twilight 5:25 AM JST   5:25 PM JST
Nautical Twilight 4:55 AM JST   5:54 PM JST
Astronomical Twilight 4:25 AM JST   6:24 PM JST
Altitude -0.8° 44.0° -0.8°
Azimuth 102.1° 180.0° 257.7°
Hour Angle of the Sun 83.6° 83.5° -83.5°
Mean Anomaly of the Sun 285.28° 285.51° 285.74°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -155.27° -155.05° -154.83°
Sun Declination -10.28° -10.36° -10.45°
Moon 5:53 AM JST   5:32 PM JST
Length of Visible Light 11h 59m
Length of Day
11h 08m
New Moon, 1% of the Moon is Illuminated
Oct 20
New Moon
Oct 27
First Quarter
Nov 4
Full
Nov 10
Last Quarter
Nov 18
New