July 12 to July 13. Xinghua city Education Bureau official website's inquiry shows that xinghua city Shi Naian Junior Middle School enrolled students from July12002 to July/2 13, which is probably the same period every year. Shi Naian was a writer in the late Yuan Dynasty and early Ming Dynasty. His original name was Yan Duan, the word An,No.. Naian, or Qiantang Shi Naian, was born in Xinduo Town, Xinghua, Jiangsu.