How to write 閏

閏 rùn 【名】 1. Every four years, an extra day is added, known as a "leap day." A year with a leap day is called a "leap year." This pertains to the Gregorian calendar's "leap." In China's lunar calendar, in every two or three years, an extra month is added, called a "leap month," with an average of seven leap months in every nineteen years. 2. Side, subsidiary; opposed to "correct." 閏 rùn 【名】 1. Surplus. 2. A surname. 閏 rùn 【形】 False; puppet; subsidiary; alternate; unorthodox. 閏 rùn 【動】 To moisten; synonymous with "潤." 【引】 1. "Shuowen Jiezi": Leap, a month of surplus; extra leap every five years. 2. "Zhou Li · Da Shi": The decree for a leap month states that the king should stay at the door for the entire month. 3. "Li Ji · Yu Zao": During a leap month, the doors should be closed on the left side. 4. "Shu · Yao Dian": Use leap months to establish the four seasons of the year. 5. "Qing · Xue Fucheng's 'Guan Barlis Oil Painting Record'": In the spring of the sixteenth year of Guangxu, there was a leap in February. 【例】 Examples include: leap autumn (leap September); leap method (method for setting leap months); leap surplus (the extra time in a lunar year versus the solar year); leap double (every three years has a leap, every five years again leap, termed leap double); leap fraction (the extra time in a lunar year versus the solar year).