Planning Practice Note 27: Understanding the Residential ...

Sun altitude (degrees) 45° Shadow length of a 1 metre high post (m) 1.00 Time. 3.00 pm Sun altitude (degrees) 36° Shadow length of a 1 metre high post (m) 1.38 As a simple guide, the table above gives an indication of shadow lengths at various times of the day based on the height of a 1 metre post and assuming flat ground. ................
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