Judging from the relics such as tiles with the years carved on them, it is supposed that they were established in the latter half of Asuka period (end of the 7th century), and after the restoration in the middle of the 8th century, it burned down in the middle of Heian period (beginning of 11th century).
紀年銘瓦等の遺物から飛鳥時代後期（7世紀後葉）の建立、8世紀中頃の改修を経て、平安時代中期（11世紀前葉）に焼失したものと考えられる。