- Traditional Chinese Character(HanT):
公元前：七二一年
- Simplified Chinese Character(HanS):
公元前：七二一年
- Bopomofo(Mandarin Phonetic Symbols): ㄍㄨㄥ ㄩㄢˊ ㄑㄧㄢˊ ㄑㄧ ㄦˋ ㄧ ㄋㄧㄢˊ (ㄍㄩㄑㄑㄦㄧㄋ)
- Bopomofo(Zhuyin Keyboard Input/IME): "ej/ m06fu06fu -4u su06" (ej/m06fu06fu-4usu06)
- (ASCII) Hanyu Pinyin: "gongyuanqianqieryinian" "Gong1Yuan2Qian2Qi1Er4Yi1Nian2" "Gong1 Yuan2 Qian2 Qi1 Er4 Yi1 Nian2" (GYQQEYN)
- (Latin) Hànyǔ Pīnyīn: YuánQiánQīèrYī [ Yuán Qián Qī èr Yī ]
- (英文翻譯) English Translation: "BC: 721"
- (西語翻譯) Traducción Español: "antes de Cristo: 721 a.C."
- (日文翻譯) 日本語翻訳: "紀元前: 紀元前721年"
