Seven o'clock. According to the inquiry of official website of Jilin Jianzhu University, the canteen of Jilin Jianzhu University opens at 7: 00 a.m. and is open until 8: 30, from 10 to 12 at noon and from 16 to 17: 30 at night. Jilin Jianzhu University, referred to as "Jilin Jianda", is located in Changchun City, Jilin Province, and was founded in 1956. It is one of the first ten architectural schools in New China.