counter for months
Attaches to a number to express a duration or a point in time measured in months. The reading かげつ is used for numbers 1–10; for 11 and above, かげつ is still used, but ヶ月 may be read as かげつ or sometimes こげつ in certain contexts (though かげつ is standard).
I have been studying Japanese for three months.
This project is scheduled to be completed in six months.
This project is expected to take three months.
He studied abroad for a period of six months.
I moved two months ago.
I met him for the first time in three months.
Formal kanji spelling using 箇, mainly in official or legal documents.
Full-size katakana ケ variant; less common and may be confused with ケ as a different reading.
Rarely used kanji form; 個 is not standard for this counter.