rùn | intercalary/an extra day or month inserted into the lunar or solar calendar (such as February 29) |
闰 | intercalary an extra day or month inserted into the lunar or solar calendar (such as February 29) |
闰年 | leap year (lunar calendar) year with a thirteen intercalary month |
闰日 | leap day; intercalary day |
闰月 | intercalary month in the lunar calendar leap month |