1. 查看当前系统时间

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date

2. 设置时区

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sudo tzselect
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Please identify a location so that time zone rules can be set correctly. Please select a continent, ocean, "coord", or "TZ". 1) Africa 2) Americas 3) Antarctica 4) Asia 5) Atlantic Ocean 6) Australia 7) Europe 8) Indian Ocean 9) Pacific Ocean 10) coord - I want to use geographical coordinates. 11) TZ - I want to specify the timezone using the Posix TZ format. #?

之后依次输入
4 (Asia),9(China),1(Beijing Time),1(Yes)

3. 将文件复制到localtime目录下

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sudo cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime

4. 确认时间

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date

5. 重启操作系统

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sudo reboot now