Is there a generic way to say "weekday" without the concept of "work/business/school day"? The most common translation of weekday is: 工作日

Google Translate suggests 工作日 and 平常日 for weekday.

Is 平常日 commonly used?

How would a native speaker normally say weekday? 

Would it be odd for a young child use 工作日 as weekday? Would a be more normal for a child to use 学习日? What about during school holidays?
In fact we usually say 平日 as weekday, but more frequent we just say 周一到周五. Maybe it is because we just distinguish weekend is 周末,and every weekday is regarded as a normal day.

During the holiday, children usually have no sense of days(LOL,at least me), so they just know today is 周几,like 周一 or 周五.

I'm new here, hope my answer can help you.