1234567KeywordintercalaryextrasurplusFrequency#3984Strokes7ReadingsrùnMnemonic王 (royal decree) gives the meaning and 门 the sound.Stroke orderComposed of门gate王kingUsed in characters润moistUsed in vocabulary闰rùnintercalary; an extra day or month inserted into the lunar or solar calendar (such as February 29)闰年rùnniánleap year; (lunar calendar) year with a thirteen intercalary month闰月rùnyuèintercalary month in the lunar calendar; leap month闰秒rùnmiǎoleap second敖闰ÁorùnDragon King of the West Sea, Ao Run, also Ao Ji (敖吉)