In the past, sacred sake and food offered to the god was given to an imperial envoy on September 11 (old calendar), and it was presented to the god on September 17 (old calendar).
かつては旧暦9月11日(旧暦)に勅使に御酒と神饌を授け、旧暦9月17日(旧暦)に奉納していた。