However, there is an opposing theory based on Kenzoki (Records of the Kenzo Period) of Nihon Shoki, claiming that Tsukuyomi Shrine of Iki is where Tsukuyomi worship started, but no conclusion has been reached.
ただし、日本書紀の顕宗記の記述を元に壱岐の月読神社が全てのツクヨミを祭神とする神社の発祥地であるとする説も存在し、どちらが正しいかは結論は出ていない。