8 am to 2 pm. Nanjing Ai Shang Tian Di Ge Lao Guan's business hours are from 8 am to 2 pm. Business is normal on Saturdays and Sundays. Nanjing, referred to as "Ning" for short, was called Jinling and Jiankang in ancient times. It is a prefecture-level city, a provincial capital, a sub-provincial city, a megacity and a core city of Nanjing metropolitan area under the jurisdiction of Jiangsu Province. It is an important central city in eastern China, an important scientific research and education base in China and a comprehensive transportation hub approved by the State Council.