There are several grand services at the Tenrikyo headquarters. The Autumn Grand Service held on October 26 commemorates the founding of Tenrikyo, the Spring Grand Service on January 26 commemorates the day the Foundress hid her physical being, while the Foundress 'birthday Celebration Service is held on April 18.
天理教總部每年有幾個重要的祭典：十月二十六日，是立教的日子，舉行秋季大祭；一月二十六日，是教祖隱身的日子，舉行春季大祭；四月十八日，是教祖誕生的日子，舉行教祖誕辰祭。