It is said that our ancestors perceived only two seasons, SUMMER and WINTER. SPRING and AUTUMN were added later, but they certainly perceived periods that were something special and during which they celebrated various holidays and performed various ceremonies. These periods are naturally divided into eight parts, which we can also perceive in this symbol:
Where the vertices of the square are the holidays of the equinoxes and solstices and the other points are the other important holidays of the year.
A similar symbol that you are sure to recognize is this one:
In addition to these periods, we can also talk about the cycle of human life.
