What does 西暦 mean?
西暦 is a Japanese noun meaning “the Western calendar, AD” in English. It can also be translated as “Western (Gregorian) calendar” depending on context. It is written as 西暦 in kanji, せいれき in hiragana, and seireki in romaji. This word is part of JLPT N2 vocabulary.
Example sentence
昭和１０年は西暦１９３５年です。
The 10th year of Showa is 1935 in the Western calendar.