- Traditional Chinese Character(HanT):
公元：：一二二一年
- Simplified Chinese Character(HanS):
公元：：一二二一年
- Bopomofo(Mandarin Phonetic Symbols): ㄍㄨㄥ ㄩㄢˊ ㄧ ㄦˋ ㄦˋ ㄧ ㄋㄧㄢˊ (ㄍㄩㄧㄦㄦㄧㄋ)
- Bopomofo(Zhuyin Keyboard Input/IME): "ej/ m06u -4-4u su06" (ej/m06u-4-4usu06)
- 「公元：：一二二一年」的漢語拼音: Gong1 Yuan2 Yi1 Er4 Er4 Yi1 Nian2
- (ASCII) Hanyu Pinyin: "gongyuanyiereryinian" "Gong1Yuan2Yi1Er4Er4Yi1Nian2" "Gong1 Yuan2 Yi1 Er4 Er4 Yi1 Nian2" (GYYEEYN)
- (Latin) Hànyǔ Pīnyīn: YuánYīèrèrYī [ Yuán Yī èr èr Yī ]
- (英文翻譯) English Translation: "AD: 1221"
- (西語翻譯) Traducción Español: "ANUNCIO::1221"
- (日文翻譯) 日本語翻訳: "西暦::1221"
