 The Tazukuri Matsuri (田作り祭り) is a week-long festival held at Aso shrine starting from the "Mi no hi", (巳の日, the day of the snake) and continuing on to the "I no hi" (亥の, day of the boar).These days are according to the old Japanese calendar and respond to different days on the Gregorian calendar every year.The most notable days within this week is the Hifuri Shinji.