七なな夜よ月づきMeanings1nounseventh lunar monthrare termRare term for the seventh month of the lunar calendar, equivalent to 文月 (ふみづき). Used mainly in historical or literary contexts.See also: 文月古ふるい暦こよみでは、七しち月がつを「七なな夜よ月づき」と記しるすことがある。In old calendars, the seventh month is sometimes written as 七夜月.