24 hours. Official website of Xining Heating Bureau shows that 24-hour heating will be realized in Xining in 2022. The heating time in Xining City, Qinghai Province is six months every year. Usually, the heating starts from June 65438+1October1May every year until April1May the following year. Heating refers to heating buildings and maintaining a certain indoor temperature, which is a socialized service to solve the basic living needs of residents in northern China in winter heating.