庚こう申しん月づき

noun

Metal Monkey month

Historical term from the traditional calendar. Refers to a lunar month that contains a day of the Metal Monkey (庚申), which occurs roughly every other month. It was believed that colds were more frequent during such months.

See also: 庚申

• 昔むかしの暦こよみでは、庚こう申しん月づきは風邪かぜをひきやすい月つきとされていた。

  In the old calendar, the Metal Monkey month was considered a month when one was prone to catch colds.