June 24-26. Official website, Education Bureau of Lianyungang City, shows that the examination time of Lianyungang primary school in summer vacation is from June 24th to 26th, and the summer vacation time is July 1. Lianyungang is a prefecture-level city under the jurisdiction of China and Jiangsu Province, located at the northeast end of Jiangsu Province, with a land area of 76 15 square kilometers and a sea area of 6,677 square kilometers.