- Traditional Chinese Character(HanT):
公元::八二一年
- Simplified Chinese Character(HanS):
公元::八二一年
- Bopomofo(Mandarin Phonetic Symbols): ㄍㄨㄥ ㄩㄢˊ ㄅㄚ ㄦˋ ㄧ ㄋㄧㄢˊ (ㄍㄩㄅㄦㄧㄋ)
- Bopomofo(Zhuyin Keyboard Input/IME): "ej/ m0618 -4u su06" (ej/m0618-4usu06)
- 「公元::八二一年」的注音符號/「公元::八二一年」怎麼發音怎麼唸: ㄍㄨㄥ ㄩㄢˊ ㄅㄚ ㄦˋ ㄧ ㄋㄧㄢˊ
- (ASCII) Hanyu Pinyin: "gongyuanbaeryinian" "Gong1Yuan2Ba1Er4Yi1Nian2" "Gong1 Yuan2 Ba1 Er4 Yi1 Nian2" (GYBEYN)
- (Latin) Hànyǔ Pīnyīn: YuánBāèrYī [ Yuán Bā èr Yī ]
- (英文翻譯) English Translation: "AD: 821"
- (西語翻譯) Traducción Español: "Anuncio::821"
- (日文翻譯) 日本語翻訳: "西暦::821"