- Traditional Chinese Character(HanT):
公元::一八二一年
- Simplified Chinese Character(HanS):
公元::一八二一年
- Bopomofo(Mandarin Phonetic Symbols): ㄍㄨㄥ ㄩㄢˊ ㄧ ㄅㄚ ㄦˋ ㄧ ㄋㄧㄢˊ (ㄍㄩㄧㄅㄦㄧㄋ)
- Bopomofo(Zhuyin Keyboard Input/IME): "ej/ m06u 18 -4u su06" (ej/m06u18-4usu06)
- 「公元::一八二一年」的注音符號/「公元::一八二一年」怎麼發音怎麼唸: ㄍㄨㄥ ㄩㄢˊ ㄧ ㄅㄚ ㄦˋ ㄧ ㄋㄧㄢˊ
- (ASCII) Hanyu Pinyin: "gongyuanyibaeryinian" "Gong1Yuan2Yi1Ba1Er4Yi1Nian2" "Gong1 Yuan2 Yi1 Ba1 Er4 Yi1 Nian2" (GYYBEYN)
- (Latin) Hànyǔ Pīnyīn: YuánYīBāèrYī [ Yuán Yī Bā èr Yī ]
- (英文翻譯) English Translation: "AD: 1821"
- (西語翻譯) Traducción Español: "ANUNCIO::1821"
- (日文翻譯) 日本語翻訳: "西暦::1821"