The weekend price applies to accommodation:
from Friday to Saturday,
from Saturday to Sunday.
The weekend price does not apply to accommodation:
from Sunday to Monday.
How to set the weekend price for a selected date?
1. In the "Set prices" window:
a) select a date;
b) set the weekend price;
c) save settings.
Configuration result:
All accommodation options (from Friday to Saturday and from Saturday to Sunday) on the selected dates will have the weekend price set.
Related articles:
How to set (enable) the weekend price?