Twice. Hong Kong Education official website shows that the summer vacation in Hong Kong starts from the end of July or early August and lasts for about 6 to 8 weeks, while the winter vacation starts from the middle of 1 February or the beginning of1month and lasts for about 2 to 3 weeks. So Hong Kong students have two holidays a year, a winter vacation and a summer vacation. Hong Kong, referred to as "Hong Kong" for short, is the full name of People's Republic of China (PRC) (PRC) Special Administrative Region, located in the south of China, east of the Pearl River Estuary, and facing Macau across the sea to the west.