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Astronomy

Sep. 20, 2017 Rise Solar Noon Set
Actual Time 5:59 AM +09 12:11 PM +09 6:22 PM +09
Civil Twilight 5:23 AM +09   6:58 PM +09
Nautical Twilight 4:40 AM +09   7:41 PM +09
Astronomical Twilight 3:54 AM +09   8:27 PM +09
Altitude -0.8° 36.3° -0.8°
Azimuth 86.8° 180.0° 272.8°
Hour Angle of the Sun 93.1° 92.9° -92.8°
Mean Anomaly of the Sun 255.72° 255.97° 256.23°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 177.34° 177.58° 177.81°
Sun Declination 1.15° 1.05° 0.95°
Moon 5:28 AM +09   6:40 PM +09
Length of Visible Light 13h 35m
Length of Day
12h 23m
New Moon, 0% of the Moon is Illuminated
Sep 20
New Moon
Sep 27
First Quarter
Oct 5
Full
Oct 12
Last Quarter
Oct 19
New