Time Zones of China
Geographically, China covers five time zones (Zhongyuan, Longshu, Tibet, Kunlun and Changbai Time Zones). However, the standard times used in Chinese Mainland, Hong Kong, Macau, and Taiwan Province are the same, for they are all in the same time zone (UTC+8), 8 hours ahead of the Universal Time Coordinated.

Beijing Time (GMT+8)
For the unity, the whole China adopts Beijing Time, which is also in the time zone (GMT+8).

Beijing Time is worked out and released from the National Time Service Center, Shaanxi Province, which is geographically almost the center of China. Unlike western countries, China now does not follow the daylight saving time.