June 27th to July 1. According to the inquiry of Pizza Hut official website, as of September 19, 2023, the buffet time of Pizza Hut is from June 27th to July 1, the daily service time is from 10: 30 to 20: 30, and the buffet service time is 90 minutes. From the first time the order is placed, only the same kind of ordering service can be selected for each table and each order.