June 27 to July 1 every year. According to check Pizza Hut official website, in Shaoxing Pizza Hut, buffet time is from June 27 to July 1 every year, daily service time from 10:30 to 20:30, buffet service time is 90 minutes. Pizza Hut is one of the pizza specialty chains, by Frank Carney and Dan Carney two brothers in 1958, with $ 600 borrowed by his mother in the United States in Wichita, Kansas, to create the first Pizza Hut restaurant.