旬じゅん

noun

ten-day period of a month

Used mainly in compounds and date expressions dividing a month into roughly three ten-day periods, especially 上旬, 中旬, and 下旬.

• 会かい議ぎは六ろく月がつ上じょう旬じゅんに開ひらかれる予よ定ていです。

  The meeting is scheduled to be held in early June.

• 中ちゅう旬じゅんまでに書しょ類るいを送おくってください。

  Please send the documents by the middle third of the month.

noun

decade of age; ten-year period in one's life

Rare, old-fashioned or literary use for a ten-year span of age, typically seen in compounds such as 六旬 or 七旬 rather than as a free everyday noun.

• 「七しち旬じゅん」は、七なな十じゅっ歳さい代だいを指さす古こ風ふうな表ひょう現げんです。

  七旬 is an old-fashioned expression referring to one's seventies.