In any case, Prince Naka no Oe moved the capital city to Imperial Palace Omi Otsu no Miya in 667, and he finally succeeded to the throne as Emperor Tenchi/Tenji on 3 January, 668.
いずれにせよ、中大兄皇子は667年に近江大津宮に遷都し、668年旧正月1月3日にやっと正式に即位した（天智天皇）。