July 10 to August 3 1. Official website, a college in Changchun, shows that in 2023, the summer vacation time of college students in Changchun will be from July 10 to August 3 1, with a total of 53 days. Changchun, also known as "North Spring City" for short, and known as "Chachong" in ancient times, is a prefecture-level city, provincial capital city, sub-provincial city, I-type big city and the core city of Harbin-Changzhou urban agglomeration under the jurisdiction of Jilin Province, and one of the central cities and important industrial bases in Northeast China determined by the State Council. By the end of 2022, Changchun has 7 districts, 1 county and 3 county-level cities, with a total area of 24,592 square kilometers and a permanent population of 9,065,400.