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Astronomy

Sep. 20, 2017 Rise Solar Noon Set
Actual Time 5:19 AM JST 11:28 AM JST 5:36 PM JST
Civil Twilight 4:50 AM JST   6:04 PM JST
Nautical Twilight 4:17 AM JST   6:37 PM JST
Astronomical Twilight 3:43 AM JST   7:12 PM JST
Altitude -0.8° 48.0° -0.8°
Azimuth 87.6° 180.0° 272.1°
Hour Angle of the Sun 92.2° 92.1° -92.0°
Mean Anomaly of the Sun 255.69° 255.94° 256.19°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 177.32° 177.55° 177.78°
Sun Declination 1.16° 1.06° 0.96°
Moon 4:53 AM JST   5:49 PM JST
Length of Visible Light 13h 13m
Length of Day
12h 16m
Waning Crescent, 0% of the Moon is Illuminated
Sep 19
Waning Crescent
Sep 20
New
Sep 27
First Quarter
Oct 5
Full
Oct 12
Last Quarter