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Astronomy

Feb. 21, 2018 Rise Solar Noon Set
Actual Time 6:32 AM JST 12:05 PM JST 5:39 PM JST
Civil Twilight 6:06 AM JST   6:05 PM JST
Nautical Twilight 5:36 AM JST   6:35 PM JST
Astronomical Twilight 5:07 AM JST   7:04 PM JST
Altitude -0.8° 44.2° -0.8°
Azimuth 102.5° 180.0° 257.7°
Hour Angle of the Sun 83.4° 83.5° -83.5°
Mean Anomaly of the Sun 47.52° 47.75° 47.98°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -25.82° -25.60° -25.38°
Sun Declination -10.69° -10.61° -10.52°
Moon 9:37 AM JST   10:53 PM JST
Length of Visible Light 11h 59m
Length of Day
11h 07m
Waxing Crescent, 31% of the Moon is Illuminated
Feb 21
Waxing Crescent
Feb 23
First Quarter
Mar 1
Full
Mar 9
Last Quarter
Mar 17
New