five-day workweek system; five-day school week system
Refers to a system where employees or students have two days off per week, typically Saturday and Sunday. Often used in labor and education contexts.
This company has adopted a five-day workweek system.
A five-day school week system is common in public schools.
system with at least one two-day weekend per month
A less common, more flexible interpretation where the system guarantees at least one week per month with two consecutive days off, rather than every week. This usage is rarer and may appear in older labor discussions.
In the past, some companies implemented a system of having two days off in only one week per month.