- Traditional Chinese Character(HanT):
西元前：九九一年
- Simplified Chinese Character(HanS):
西元前：九九一年
- Bopomofo(Mandarin Phonetic Symbols): ㄒㄧ ㄩㄢˊ ㄑㄧㄢˊ ㄐㄧㄡˇ ㄐㄧㄡˇ ㄧ ㄋㄧㄢˊ (ㄒㄩㄑㄐㄐㄧㄋ)
- Bopomofo(Zhuyin Keyboard Input/IME): "vu m06fu06ru.3ru.3u su06" (vum06fu06ru.3ru.3usu06)
- 「西元前：九九一年」的漢語拼音: Xi1 Yuan2 Qian2 Jiu3 Jiu3 Yi1 Nian2
- (ASCII) Hanyu Pinyin: "xiyuanqianjiujiuyinian" "Xi1Yuan2Qian2Jiu3Jiu3Yi1Nian2" "Xi1 Yuan2 Qian2 Jiu3 Jiu3 Yi1 Nian2" (XYQJJYN)
- (Latin) Hànyǔ Pīnyīn: XīYuánQiánJiǔJiǔYī [ Xī Yuán Qián Jiǔ Jiǔ Yī ]
- (英文翻譯) English Translation: "991 BC"
- (西語翻譯) Traducción Español: "antes de Cristo: 991"
- (日文翻譯) 日本語翻訳: "紀元前: 991"
