截止日期在星期六用英文怎么说

The cut-off date on Saturday can be referred to as "cut-off date on the weekend".

The term "cut-off date" refers to the deadpne or the last possible date for doing something. The term "weekend" refers to Saturday and Sunday, which are typically considered days off work in many countries.

Examples:

The cut-off date for submitting the project is on the weekend.
Please make sure to place your order before the cut-off date on the weekend.

中文翻译：

提交项目的截止日期在周末。
请确保在周末的截止日期前下单。