dayjs.locale("fr"); function getDaysInMonth(month, year) { const daysInMonth = dayjs(new Date(year, month, 0)).daysInMonth(); const days = []; for (let day = 1; day <= daysInMonth; day++) { const currentDay = dayjs(new Date(year, month - 1, day)); days.push(currentDay.format("DD-MM-YYYY")); } return days; }