noun
ninth month of the lunar calendar
Obsolete term from the traditional Japanese lunar calendar; roughly corresponds to October in the modern solar calendar.
旧暦の長月は、今の十月ごろにあたる。
The lunar calendar's Nagatsuki corresponds roughly to October today.
noun
Poetic or literary name for September, still used in some contexts such as haiku or traditional event names.
長月の声を聞くと、秋の深まりを感じる。
When I hear the word 'Nagatsuki', I feel the deepening of autumn.
Kana spelling; useful for learners or when the kanji is not needed.
Standard modern word for September; 長月 is a traditional or poetic alternative.
From Old Japanese, literally 'long month', referring to the lengthening nights of autumn.