Closed today — a notice indicating that a shop or facility is not open today (used on signs).
店の入り口に『本日休業』と張り紙がしてあった。
There was a notice on the shop entrance saying 'Closed Today'.
本日休業のため、予約の変更は明日以降にお願いします。
Because we are closed today, please change reservations from tomorrow onward.