September sixth. According to the query of the college entrance examination assistant network, the start date of Sun Yat-sen University's 202 1 undergraduate freshmen is September 6th. Sun Yat-sen University is a university directly under the Ministry of Education of People's Republic of China (PRC). It is a comprehensive national key university jointly established by the Ministry of Education, the National Bureau of Science, Technology and Industry for National Defense and Guangdong Province.