Jinmeiyō kanji, used in names
Stroke count: 12
Meaning: intercalation, illegitimate throne
Kunyomi: うるう
Onyomi: ジュン
Composition: 門 王
Radical: 門
Meaning: gate
閏年 (ウルウドシ) leap year
閏月 (ウルウヅキ) intercalary month (lunar calendar), leap month
正閏 (セイジュン) normal and leap (years), legitimate and illegitimate dynasties
閏 (うるう) embolism, intercalation
閏年 (うるうどし) leap year