Traditional Culture Encyclopedia - The 24 Solar Terms - How long is the shadow one meter east to noon?
How long is the shadow one meter east to noon?
First of all, suppose that what you said is that the object of 1 m is placed vertically. I'm afraid you'll have to make a sharp turn.
First of all, the oblique angle of the local sun is necessary at noon from winter to Sunday.
The formula is θ=90? -|α(+/-)β|
Where α is the local latitude and β is the latitude of the direct point of the sun at that time (the angle is 23? 26? Southern hemisphere).
The length of the shadow is 1*cotθ.
The above is only theoretical calculation. In practice, due to atmospheric refraction and other reasons, the tilt angle will be biased.
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