There's some informal use of a Xinjiang timezone among Uyghurs. China as a whole only has one official timezone. [1] https://www.timeanddate.com/worldclock/chi

There's some informal use of a Xinjiang timezone among Uyghurs. China as a whole only has one official timezone. [1] https://www.timeanddate.com/worldclock/china/urumqi https://www.timeanddate.com/worldclock/china/urumqi [more background here] https://www.theatlantic.com/china/archive/2013/11/china-only-has-one-time-zone-and-thats-a-problem/281136/ https://www.theatlantic.com/china/archive/2013/11/china-only...