Of course. Jiangsu Education Supervision Information System can log in on Saturday. There is no time limit for logging into the information system, and you can log in at any time. Jiangsu, referred to as "Su" for short, is the provincial administrative region of People's Republic of China (PRC) (China). Nanjing, the provincial capital, is located in the Yangtze River Delta, along the eastern coast of Chinese mainland, bordering on Shanghai, Zhejiang, Anhui and Shandong provinces.