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Astronomy

Jul. 21, 2017 Rise Solar Noon Set
Actual Time 5:10 AM BST 1:08 PM BST 9:05 PM BST
Civil Twilight 4:26 AM BST   9:48 PM BST
Nautical Twilight 3:25 AM BST   10:48 PM BST
Astronomical Twilight 1:20 AM BST   12:41 AM BST
Altitude -0.8° 58.9° -0.8°
Azimuth 54.6° 180.0° 305.1°
Hour Angle of the Sun 119.5° 119.4° -119.3°
Mean Anomaly of the Sun 195.89° 196.22° 196.54°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 120.73° 121.06° 121.39°
Sun Declination 20.44° 20.37° 20.31°
Moon 3:08 AM BST   7:12 PM BST
Length of Visible Light 17h 21m
Length of Day
15h 55m
Waning Crescent, 8% of the Moon is Illuminated
Jul 20
Waning Crescent
Jul 23
New
Jul 30
First Quarter
Aug 7
Full
Aug 14
Last Quarter