Vocabulary What does 3月 (さんがつ, sangatsu) mean? 3月 (さんがつ, sangatsu) means March. Quick factsReadingさんがつRomajisangatsuPart of speechnoun 3月さんがつsangatsuMarch1noun March2noun third month of the lunar calendarAlso written: 三月Kanji in this word月month; moon