- Traditional Chinese Character(HanT):
西元::八二一年
- Simplified Chinese Character(HanS):
西元::八二一年
- Bopomofo(Mandarin Phonetic Symbols): ㄒㄧ ㄩㄢˊ ㄅㄚ ㄦˋ ㄧ ㄋㄧㄢˊ (ㄒㄩㄅㄦㄧㄋ)
- Bopomofo(Zhuyin Keyboard Input/IME): "vu m0618 -4u su06" (vum0618-4usu06)
- 「西元::八二一年」的注音符號/「西元::八二一年」怎麼發音怎麼唸: ㄒㄧ ㄩㄢˊ ㄅㄚ ㄦˋ ㄧ ㄋㄧㄢˊ
- (ASCII) Hanyu Pinyin: "xiyuanbaeryinian" "Xi1Yuan2Ba1Er4Yi1Nian2" "Xi1 Yuan2 Ba1 Er4 Yi1 Nian2" (XYBEYN)
- (Latin) Hànyǔ Pīnyīn: XīYuánBāèrYī [ Xī 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"