一月

一月

"一月" means "January" or "one month" in English.

Here, "一月" refers to the proper noun "January," the name of the month's calendar designation.

一月は新年の最初の月です。

January is the first month of the new year.

In this sentence, "一月" is used to mean "one month," indicating a duration of time spanning 30 days.

一月の間にこの仕事を終える必要があります。

We need to finish this work within one month.

Here, "一月" again symbolizes "one month," conveying approximated time duration for an event to occur.

一月ほど待つことになります。

We will likely have to wait for around one month.