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Astronomy

Jan. 31, 2015 Rise Solar Noon Set
Actual Time 6:52 AM JST 11:46 AM JST 4:41 PM JST
Civil Twilight 6:21 AM JST   5:12 PM JST
Nautical Twilight 5:47 AM JST   5:46 PM JST
Astronomical Twilight 5:13 AM JST   6:20 PM JST
Altitude -0.8° 28.6° -0.8°
Azimuth 113.9° 180.0° 246.3°
Hour Angle of the Sun 73.5° 73.6° -73.6°
Mean Anomaly of the Sun 26.62° 26.82° 27.02°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -46.86° -46.65° -46.44°
Sun Declination -17.55° -17.50° -17.44°
Moon 1:33 PM JST   3:42 AM JST
Length of Visible Light 10h 50m
Length of Day
9h 48m
Waxing Gibbous, 87% of the Moon is Illuminated
Jan 30
Waxing Gibbous
Feb 3
Full
Feb 11
Last Quarter
Feb 18
New
Feb 25
First Quarter