仕し事ごと納おさめ

noun

last business day of the year; year-end work completion

Refers to the final working day before the New Year holiday, typically December 28, when work is wrapped up and offices close. Often used in greetings and announcements.

• 今日きょうは仕し事ごと納おさめで、午ご後ごから大おお掃そう除じをします。

  Today is the last business day of the year, so we'll do a big cleaning from the afternoon.

• 仕し事ごと納おさめの日ひには、みんなで一いち年ねんの労ろうをねぎらいます。

  On the last working day of the year, everyone appreciates each other's hard work over the past year.