Many Chinese cities turned off lights at 8:30 pm Beijing Time sharp in global relay of "Earth Hour". Lights on major landmarks were turned off in several cities, including Beijing's Olympic Towers, The Oriental Pearl Tower in Shanghai, Wuhan's historic Yellow Crane Tower, Xi'an's 
Bell Tower as well as Yinli Plaza in Shenzhen.

In Hong Kong, major buildings along Victoria Harbour turned off their non-essential lights and the city's popular tourist attraction known as the Symphony of Lights was canceled.

Over 3,000 corporations in Hong Kong signed up for Earth Hour 2019, according to the WWF Hong Kong website. Iconic skyscrapers including the Bank of China Tower and the HSBC Building in Central, the city's major business district, switched off their lights in response to the global movement.