1The end of the month — the last few days of a month, often referenced for payments, deadlines, or month-end processing.
月末は請求書の処理で忙しい。
The end of the month is busy with invoice processing.
家賃は毎月月末に引き落とされる。
The rent is debited at the end of each month.
月末までにレポートを提出してください。
Please submit the report by the end of the month.
月末になると、いつも忙しくて残業が増える。
Whenever the end of the month comes, I always get busy and end up working overtime.