According to the "Shoku Nihongi" the Emperor gave the people of Harima provinces special marks of favor on the nineteenth day, and on the twenty first arrived at the Nanba palace, which suggests the temporary palace Shigamaro and others had erected was in use from the eleventh to the nineteenth, or in other words for seven days.
『続日本紀』には17日に播磨国の人々に恩典を与え、19日に難波宮に着いたとあるので、利用は10日から17日までの7日間と思われる。