九 kyuu vs ku
きゅう vs く
きゅう is the safe default (counting, age) while く is a specialized variant used for month (September: kugatsu くがつ), time (9 o’clock: くじ), and certain counter words (The 9th of a month is kokonoka ここのか).
きゅう vs く
きゅう is the safe default (counting, age) while く is a specialized variant used for month (September: kugatsu くがつ), time (9 o’clock: くじ), and certain counter words (The 9th of a month is kokonoka ここのか).