That was considered to be an example of a transition of tenmondo and tenmon misso from the prediction originated from China, which was made according to the actual movement of stars based on 上天思想, to the divination based on Onmyodo, which was a divination technique originally developed in Japan.
これは天文道及び天文密奏が次第に実際の星の動きを見て占うという中国由来の上天思想的な解釈から日本独自に発達していった占いの技法である陰陽道的な解釈へと変化していく状況を示した事例であると考えられてる。