You state that a person, who provides his/her date of birth is identified as a subtype structure according to phenological cycles. What about shifts of planets, stars, which appeared many thousands of years before the time when Shan Hai Jing appeared in this civilization?

As it is known from astronomy, one of peculiarities of stars is that their visible shifts in the celestial sphere are extremely small. Although a slow change in the mutual positioning of the stars was proven—the distortion of familiar shapes of constellations will become visible only after tens of thousands of years. To some extent the ancient astronomers were right when they considered that positions of stars in the sky are stable.