Snan Purnima
A special bath of Jagannath takes place on the Purnima of Jyestha month (Devasnan Purnima), to commemorate the appearance day of Lord Jagannath.
According to Skanda Purana when Raja Indradyumna installed the wooden deities he arranged this bathing ceremony. This day considered to be the birth-day of Lord jagannath, Held in the full-moon day in the month of Jyestha.