What does 何年 mean?
何年 is a Japanese expression meaning “what year” in English. It can also be translated as “what year” depending on context. It is written as 何年 in kanji, なんねん in hiragana, and nannen in romaji. This word is part of JLPT N5 vocabulary.
Example sentence
それを建てるのに何年もかかった。
It took many years to build it.