ō-harai Directory References Discover New Seven Wonders of the World 10 Famous Artworks by Leonardo da Vinci 7 of History's Most Notorious Serial Killers Why Does the New Year Start on January 1? Is Australia an Island? 10 Greatest Baseball Players of All Time 26 Decade-Defining Events in U.S. History ō-harai religious rite, Japan Ask the Chatbot a Question Learn about this topic in these articles:place in Shintō religion In haraiGreat purification ceremonies called ō-harai are held regularly twice a year, on June 30 and December 31, and at times of national disasters to purge the entire country from sins and impurities.Read More