Let's say you are being asked what is your schedule in school as a student. And you say:
"My class starts at 8am and it ends at 5pm, they are fixed every schoolday or schooldays"
I am talking about from Monday to Friday straight. If you take it literally(5 different days), then it will be schooldays right?. On the flipside, if it is as a whole in a week, it is schoolday...(Just my take)
Which is correct?