# How can instructors start a class on the client side?

<div data-elink-language-switch="1" id="bkmrk-%E4%B8%AD%E6%96%87" style="border:1px solid #d6d9de;border-radius:6px;padding:10px 12px;margin:0 0 18px 0;background:#f8fafc;font-size:14px;">[中文](/books/68d30/page/17000)</div><span style="font-size:14px;">After the instructor enters the classroom, click the "Start Class" button in the upper right corner to begin the class:  
![4.png](https://wechatapppro-1252524126.file.myqcloud.com/help_document/image/ueditor/6580300_1606726576.png ".png")  
  
</span>

<span style="font-size:14px;">**Class time requirements:**  
1\. Classes can be started within 30 minutes before the scheduled start time.</span>

<span style="font-size:14px;">2. If the class has not started after the set end time, the course time needs to be readjusted on the management console before starting the class.</span>