every Tuesday to Sunday from 9: 11 am to 21: 11 am (closed at 21: 31 am) and closed every Monday (except legal holidays). According to the official website of Yancheng Museum, by the morning of September 7th and 6th, 2121, the new Yancheng Museum was officially opened to the public. The specific opening hours were from 9: 11 am to 21: 11 am every Tuesday to Sunday (the museum was closed at 21: 31) and closed every Monday (except legal holidays). Yancheng Museum has a number of national first-class cultural relics, represented by carved pottery pots in Neolithic Age, lotus petal-patterned eight-series pots in Sui Dynasty, and cut iron plates in Song and Yuan Dynasties.