The opening hours of Liaocheng Dongchang Lake musical fountain are from 19:30 to 19:50 every Friday, Saturday and legal holidays. In response to citizens' enthusiasm, the government has fixed the opening hours of the musical fountain and issued an announcement: The opening hours of the musical fountain in Dongchang Lake, Liaocheng are from 19:30 to 19:50 every Friday, Saturday and legal holidays. Dongchang Lake, formerly known as Huancheng Lake and Fengcheng Lake, is located in Dongchangfu District, Liaocheng City, Shandong Province. With a total area of ??4.2 square kilometers, slightly smaller than Hangzhou West Lake, it is a rare artificial lake in northern China.