In June of the year of Mizunoe-Saru (one of the Oriental Zodiac signs), Prince Oama decided to take up arms against the Imperial Court of Omi, and headed east by departing the Yoshinomiya Imperial House on the 24th.
壬申の年（672年）の6月、大海人皇子は近江の朝廷に対する反乱を決意し、24日に吉野宮を発って東に向かった。