Does the Japanese religion Shinto have a holy day and if what day is it?

Answer Shintoism has several holy days, or feasts (matsuri): - Oshogatsu (New Year on 1st January) - Seijin Shiki (Adult Day: 15th January) - Haru Matsuri (Spring Festivals) - Aki Matsuri (Autumn Festivals) - Rei Sai (Annual Festival: this day varies according to each shrine) - Shichigosan (15th November) (See related link)