- Traditional Chinese Character(HanT):
公元：：四二一年
- Simplified Chinese Character(HanS):
公元：：四二一年
- Bopomofo(Mandarin Phonetic Symbols): ㄍㄨㄥ ㄩㄢˊ ㄙˋ ㄦˋ ㄧ ㄋㄧㄢˊ (ㄍㄩㄙㄦㄧㄋ)
- Bopomofo(Zhuyin Keyboard Input/IME): "ej/ m06n4-4u su06" (ej/m06n4-4usu06)
- 「公元：：四二一年」的漢語拼音: Gong1 Yuan2 Si4 Er4 Yi1 Nian2
- (ASCII) Hanyu Pinyin: "gongyuansieryinian" "Gong1Yuan2Si4Er4Yi1Nian2" "Gong1 Yuan2 Si4 Er4 Yi1 Nian2" (GYSEYN)
- (Latin) Hànyǔ Pīnyīn: YuánSìèrYī [ Yuán Sì èr Yī ]
- (英文翻譯) English Translation: "AD: 421"
- (西語翻譯) Traducción Español: "Anuncio::421"
- (日文翻譯) 日本語翻訳: "西暦::421"
