Claim: Changyi District is the only district in Jilin City, Jilin, People's Republic of China, that follows the China Standard Time.
Evidence: Changyi District (simplified Chinese: 昌邑区; traditional Chinese: 昌邑區; pinyin: Chāngyì Qū) is a district of Jilin City, Jilin, China. UTC+8 (China Standard) The time in China follows a single standard time offset of UTC+08:00 (eight hours ahead of Coordinated Universal Time), despite China spanning five geographical time zones. The following zones, including Asia/Kashgar, Asia/Chongqing, and Asia/Harbin, are kept in the "backzone" file of the IANA time zone database for backward compatibility. The territory of the People's Republic of China is covered in the IANA time zone database by the following zones. Macau maintains its own time authority after transfer of sovereignty in 1999. Hong Kong maintains its own time authority after transfer of sovereignty in 1997. In Xinjiang, two time standards, namely, Beijing Time and Xinjiang Time, are used in parallel. The official national standard time is called Beijing Time (Chinese: 北京时间) domestically and China Standard Time (CST) internationally. Daylight saving time has not been observed since 1991.