- Traditional Chinese Character(HanT):
公元：：七二一年
- Simplified Chinese Character(HanS):
公元：：七二一年
- Bopomofo(Mandarin Phonetic Symbols): ㄍㄨㄥ ㄩㄢˊ ㄑㄧ ㄦˋ ㄧ ㄋㄧㄢˊ (ㄍㄩㄑㄦㄧㄋ)
- Bopomofo(Zhuyin Keyboard Input/IME): "ej/ m06fu -4u su06" (ej/m06fu-4usu06)
- 「公元：：七二一年」的漢語拼音: Gong1 Yuan2 Qi1 Er4 Yi1 Nian2
- (ASCII) Hanyu Pinyin: "gongyuanqieryinian" "Gong1Yuan2Qi1Er4Yi1Nian2" "Gong1 Yuan2 Qi1 Er4 Yi1 Nian2" (GYQEYN)
- (Latin) Hànyǔ Pīnyīn: YuánQīèrYī [ Yuán Qī èr Yī ]
- (英文翻譯) English Translation: "AD: 721"
- (西語翻譯) Traducción Español: "Anuncio::721"
- (日文翻譯) 日本語翻訳: "西暦::721"
