From 1912 until 1949 China operated under five time zones. However, after the Chinese Civil War, the government established a unified time zone (Beijing time of GMT +08). Imagine, a country the size of the USA (3.7 million square miles) having only one time zone.
I don’t mind it at all. The sun shines until nearly 9pm and rises around 7am. I feel like I can make more out of the day.