9 o'clock to 18 o'clock. According to the query of official website, civil aviation university of china, the working hours of the finance department are 9:00- 18:00 every day, and they don't go to work on weekends and holidays. Civil aviation university of china, located in Tianjin, is an institution of higher learning directly under the Civil Aviation Administration of China, which mainly trains senior civil aviation engineering and management talents. It is a university jointly established by the Civil Aviation Administration of China, the Tianjin Municipal People's Government and the Ministry of Education.