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Astronomy

Feb. 01, 2015 Rise Solar Noon Set
Actual Time 6:43 AM JST 11:57 AM JST 5:11 PM JST
Civil Twilight 6:16 AM JST   5:38 PM JST
Nautical Twilight 5:46 AM JST   6:08 PM JST
Astronomical Twilight 5:16 AM JST   6:38 PM JST
Altitude -0.8° 37.7° -0.8°
Azimuth 110.6° 180.0° 249.5°
Hour Angle of the Sun 78.5° 78.5° -78.6°
Mean Anomaly of the Sun 27.60° 27.82° 28.03°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun -45.85° -45.62° -45.40°
Sun Declination -17.28° -17.21° -17.15°
Moon 2:56 PM JST (2/1)   4:20 AM JST (2/1)
Length of Visible Light 11h 21m
Length of Day
10h 28m
Waxing Gibbous, 91% of the Moon is Illuminated
Jan 31
Waxing Gibbous
Feb 3
Full
Feb 11
Last Quarter
Feb 18
New
Feb 25
First Quarter