Summer 18: 30, winter 18: 00. According to the query of Pacific Auto Network, the jiujiang used car market is divided into daylight saving time and winter time, and the working hours are 7:00- 18:30 in summer and 7:00- 18 in winter. Jiujiang used car Trading Market Co., Ltd., with legal representative Guo Lianpiao and registered capital of15.664 million yuan, is located on the first floor of the International Convention and Exhibition Center in Jiujiang Development Zone, Jiangxi Province.