毎年一月の第二月曜日は、「成人の日」と呼ばれる祝日です。この日には、二十歳になった若者の成長を祝うために、全国の市町村で「成人式」と呼ばれる式典が行われます。
The second Monday of January each year is a national holiday called "Coming of Age Day." On this day, ceremonies known as seijinshiki are held in cities and towns across the country to celebrate the growth of young people who have turned twenty.