Is there a day or night cruise on the Yangtze River and what would the cost be?

Many cities along the river provide cruise service, such as Wuhan, Yichang, Chongqing, and Nanjing. The ticket price is generally around CNY100. You can get onboard at following wharfs:
Wuhan: Yuehan Wharf or Hongxiang Wharf
Yichang: Three Gorges Tourist Center
Chongqing: Chaotianmen Wharf
Nanjing: Zhongshan Wharf or Shangxinhe Wharf