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Astronomy

Feb. 21, 2018 Rise Solar Noon Set
Actual Time 6:21 AM JST 11:54 AM JST 5:28 PM JST
Civil Twilight 5:55 AM JST   5:54 PM JST
Nautical Twilight 5:26 AM JST   6:23 PM JST
Astronomical Twilight 4:56 AM JST   6:53 PM JST
Altitude -0.8° 43.8° -0.8°
Azimuth 102.6° 180.0° 257.6°
Hour Angle of the Sun 83.3° 83.3° -83.4°
Mean Anomaly of the Sun 47.52° 47.74° 47.97°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -25.83° -25.61° -25.38°
Sun Declination -10.69° -10.61° -10.53°
Moon 9:25 AM JST   10:42 PM JST
Length of Visible Light 11h 58m
Length of Day
11h 06m
Waxing Crescent, 26% of the Moon is Illuminated
Feb 20
Waxing Crescent
Feb 23
First Quarter
Mar 1
Full
Mar 9
Last Quarter
Mar 17
New