Dictionary / Vocabulary / 閏年
うるうどし · also じゅんねん
leap year
common word Also written うるう年
うるう年は366日です。
A leap year has three hundred and sixty-six days.
うるう年を除いて、２月は２８日しかありません。
Except for leap years, February has only 28 days.
来年はうるう年です。
Next year is a leap year.