However, the early spring one became the New Year festival since the event placed more of an emphasis on the divinity of ancestors as Toshigami (gods who visit houses on New Year's Day), and the early autumn one was integrated with Urabon and became a Buddhist event.
しかし初春のものが祖霊の年神として神格を強調されて正月の祭事となり、初秋のものが盂蘭盆と習合して、仏教の行事として行なわれるようになったといわれている。