Is my master of sunshine analysis big? I want to know how the graph of sunshine analysis can know that it can meet the sunshine for 2 or 3 hours, that is, it can meet the spacing.

That's not easy. First, determine the angle of sunshine in spring, summer, autumn and winter as well as the angle of morning, middle and evening of a day according to the dimension of sunshine.

Then, according to this real-time angle, whether the light is the height of the hypotenuse, the floor distance of the Z-axis right-angle side is the other right-angle side.

Sunshine often calculates the right-angle side of the hypotenuse according to the sunshine season from day to day to get the sunshine hours.