> For the complete documentation index, see [llms.txt](https://overleaf-pro.ayaka.space/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://overleaf-pro.ayaka.space/latex/zh-cn/wen-da/32-how-do-i-make-today-display-the-date-according-to-my-time-zone.md).

# 如何让 \today 按照我的时区显示日期？

如果你需要显示与你所在时区一致的日期/时间，可以更改 `TZ` （时区）环境变量，使用自定义的 `latexmkrc` 文件中：

1. 在你的项目编辑器窗口中，点击文件树面板顶部的“Upload”按钮。
2. 选择“New file”，并将文件命名为 `latexmkrc` （不带扩展名）。
3. 将以下一行添加到文件中 `latexmkrc`:

   ```perl
   $ENV{'TZ'}='Asia/Kuala_Lumpur';
   ```

   或所需的其他时区。这里有一个 [受支持时区列表供参考](http://php.net/manual/en/timezones.php).

日期和时间（例如 `\today` 和 `\DTMcurrenttime` 来自 `datetime2` PDF 中的 package）随后应给出对应所指定时区的本地值。

![使用 latexmkrc 更改项目的时区](/files/db736e8907e6750c2c05690079f466f40a5fa69c)

下面的示例可使用下方链接在 Overleaf 中打开。该 `latexmkrc` 文件——显示在 LaTeX 代码下方——会自动创建。

**`main.tex`**

```latex
\documentclass{article}
\\usepackage{datetime2}

\title{更改时区示例}
\author{Overleaf}
\date{\today}

\begin{document}

\maketitle

纽约现在的时间是 \DTMcurrenttime。

\end{document}
```

**`latexmkrc`**

```latex
$ENV{'TZ'}='America/New_York';
```

 [在 Overleaf 中打开这个双文件示例](https://www.overleaf.com/docs?engine=pdflatex\&snip_name\[]=main.tex\&snip\[]=%5Cdocumentclass%7Barticle%7D%0A%5Cusepackage%7Bdatetime2%7D%0A%0A%5Ctitle%7BChanging+Timezones+Example%7D%0A%5Cauthor%7BOverleaf%7D%0A%5Cdate%7B%5Ctoday%7D%0A%0A%5Cbegin%7Bdocument%7D%0A%0A%5Cmaketitle%0A%0AThe+time+right+now+in+New+York+is+%5CDTMcurrenttime.%0A%0A%5Cend%7Bdocument%7D\&snip_name\[]=latexmkrc\&snip\[]=%24ENV%7B%27TZ%27%7D%3D%27America%2FNew_York%27%3B\&main_document=main.tex)


---

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