一 月(ひとつき)

ひとつき

noun

one month; a month

1. one month; a period of one month

A duration of one month. An alternative reading of 一月(いちがつ), distinct from いちがつ (January) and いちげつ.

一月(ひとつき)で終(お)わる。

It will be done in one month.

I plan to be away for about a month.

This job probably won't be finished in one month.

An alternative reading of 一月(いちがつ). When read as ひとつき, it means a duration of one month, not the calendar month of January.

一ヶ月(いっかげつ): one month — the standard way to express one month as a duration; more common in everyday speech
一月(いちがつ): January — the calendar month, not a duration

general

Added 2026.4.8 4:16 · Revised 2026.9.2 13:02

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