August 3 1. According to Jinan local treasure, the summer vacation date of senior high school students in Jinan in 2023 will be from July 14 to August 3 1 day. Jinan, also known as Quancheng, is a prefecture-level city, provincial capital, sub-provincial city, mega-city and the core city of Jinan metropolitan area under the jurisdiction of Shandong Province. It is also the central city of the southern wing of Bohai Rim approved by the State Council.