8: 30 to 18. Jiangsu Provincial Library is located in Nanbinhe East Road, Chengguan District, Lanzhou City, Gansu Province. Its opening time is always 8:30- 18, so the opening time of Gansu provincial library on February 7, 2022 is 8:30- 18. Gansu, referred to as Gan for short, is a provincial administrative region of People's Republic of China (PRC), with Lanzhou as the capital. Located in the northwest of China.