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Astronomy

May. 23, 2017 Rise Solar Noon Set
Actual Time 4:51 AM BST 1:13 PM BST 9:37 PM BST
Civil Twilight 3:58 AM BST   10:30 PM BST
Nautical Twilight 2:27 AM BST   12:04 AM BST
Astronomical Twilight Sun does not set   Sun does not set
Altitude -0.8° 54.8° -0.8°
Azimuth 49.6° 180.0° 310.7°
Hour Angle of the Sun 125.6° 125.7° -125.8°
Mean Anomaly of the Sun 137.73° 138.07° 138.42°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 60.14° 60.49° 60.84°
Sun Declination 20.60° 20.67° 20.73°
Moon 4:17 AM BST   6:08 PM BST
Length of Visible Light 18h 32m
Length of Day
16h 45m
Waning Crescent, 10% of the Moon is Illuminated
May 23
Waning Crescent
May 25
New
Jun 1
First Quarter
Jun 9
Full
Jun 17
Last Quarter