During the Nara period, it was common for these events to be held on March 3, and they became even more popular in the latter half of the Nara period, but were abolished in the Heian period due to the demise of the Emperor Kanmu in March.
奈良時代にはこれらの行事は3月3日が常例となり、奈良時代後半には盛んになったが、平安時代には桓武天皇が3月に崩御したことから中止された。