This is the 2043rd most frequent Japanese word.
三月
March
Here, '三月' functions as a time reference, specifying the month in which an activity or event is being inquired about.
三月に予定がありますか。
Do you have any plans in March?
In this sentence, '三月' is used as a noun to denote the month of March, indicating time.
三月は春の始まりです。
March marks the beginning of spring.
'三月' is used to define a particular month, and it is described as having the characteristic of being busy.