june has thirty days. july has thirtyone days. august has thirtyone days. september has thirty days. this is the roman calculation.
حزيران ثلاثون يوما. تموز واحد وثلاثون يوما. آب واحد وثلاثون يوما أيلول ثلاثون يوما. وهذا حساب الروم.