noun
Y2K problem; year 2000 problem
Historical computing term referring to the date-handling issue expected at the turn of the millennium. Often abbreviated as 2000年問題.
See also: ２０００年問題
西暦２０００年問題に備えて、多くの企業がシステムを改修した。
Many companies updated their systems in preparation for the Y2K problem.
Common abbreviation of 西暦２０００年問題, used in the same historical computing context.
Compound of 西暦 (seireki, 'Western calendar'), ２０００年 (nisennen, 'year 2000'), and 問題 (mondai, 'problem'). A direct calque of the English 'year 2000 problem'.