闰 (rùn) - intercalary & leap (as in leap year, leap month)

闰Tone 4

rùn ｜ 7 strokes ｜ radical: 门

儒三

闰 · rùn

intercalary;

leap (as in leap year, leap month);

extra;

inserted

intercalaryleap (as in leap year, leap month)extra

Usage highlights

leap yearleap monthintercalary dayintercalary weekleap secondintercalation

Synonyms

Antonyms

  • 平— common, regular (as in common year)
  • 正— standard, regular

Usage & contexts

Examples

  • This is a leap year (闰年).
  • The lunar calendar has leap months (闰月).
  • He was born in an intercalary month (闰月出生).
  • The extra day is called an intercalary day (闰日).

Collocations

  • leap year(闰年)
  • leap month(闰月)
  • intercalary day(闰日)
  • intercalary week(闰周)
  • leap second(闰秒)
  • intercalation(闰法)

Idioms

  • The intercalary month and surplus year(闰余成岁)
  • Extraordinary and intercalary(正闰)
  • The legitimate and the intercalary(正闰之辨)

Cultural background

FAQ
  • In traditional Chinese lunisolar calendar, intercalary months were inserted to synchronize with solar year.
  • The character represents the concept of 'extra' or 'inserted' time in calendrical systems.
  • Historically used in imperial calendar systems to maintain agricultural and ceremonial timing.

FAQ