三月

1. Origins, structure, and basic meaning

• Structure: 三月 (さんがつ) is a temporal noun for the third month of the year, March.
• Basic usage: 三月になると梅が咲く marks the seasonal point when plum blossoms begin, while 三月の第二土曜日 modifies the month containing the graduation date.

2. Common pitfalls and similar expressions

• Whole month and a date within it
  • 三月になる is the transition into the month, whereas 三月の第二土曜日 is one date within it. The word differs from 三か月, a duration of three months.