The third month of the year (March, in the Gregorian calendar).
さんがつには卒業式が多く行われる。
Many graduation ceremonies are held in March.
３月は春の始まりを感じる季節だ。
March is the season when you feel the beginning of spring.
彼女は３月生まれです。
She was born in March.
The third month in the lunar (traditional) calendar; its timing differs from the modern calendar.
旧暦の三月には地域ごとに春祭りが行われることがある。
In the lunar third month, spring festivals are sometimes held in different regions.