A day on which a business is closed (e.g., a shop's regular holiday or a company's non-business day).
この店の休業日は毎週水曜日です。
This shop's day off is every Wednesday.
年末年始は多くの会社が休業日になる。
Many companies have business holidays at the end of the year and New Year period.
休業日には事前に営業時間の案内を確認してください。
Please check opening-hour notices in advance for business holidays.