Sun's equinox.

So close Monegros brother Othon sai to us : - Then every time we could seems the sky and we know own movement of rotation ,then we have the opportunitie - because Its very important - to calcule the desviation of the aexis ,and with these the possibilitie to know too much about the hurricanes whenever the position of Venus and every time we could calcule right the next sun equinox.