In addition, Kunio YANAGITA claimed that, in Japanese festivals, November in the old lunar calendar was regarded as important because November when the most winter festivals were cerebrated includes the winter solstice and it indicates the turning point going towards spring.
また、柳田国男は冬祭りの中心となる旧暦11月が冬至を含む時期であり春に向かう転機であることを指摘し、日本の祭りは本来旧暦11月を重要視したと説く。