- Traditional Chinese Character(HanT):
西元前：九九九年
- Simplified Chinese Character(HanS):
西元前：九九九年
- Bopomofo(Mandarin Phonetic Symbols): ㄒㄧ ㄩㄢˊ ㄑㄧㄢˊ ㄐㄧㄡˇ ㄐㄧㄡˇ ㄐㄧㄡˇ ㄋㄧㄢˊ (ㄒㄩㄑㄐㄐㄐㄋ)
- Bopomofo(Zhuyin Keyboard Input/IME): "vu m06fu06ru.3ru.3ru.3su06" (vum06fu06ru.3ru.3ru.3su06)
- 「西元前：九九九年」的漢語拼音: Xi1 Yuan2 Qian2 Jiu3 Jiu3 Jiu3 Nian2
- (ASCII) Hanyu Pinyin: "xiyuanqianjiujiujiunian" "Xi1Yuan2Qian2Jiu3Jiu3Jiu3Nian2" "Xi1 Yuan2 Qian2 Jiu3 Jiu3 Jiu3 Nian2" (XYQJJJN)
- (Latin) Hànyǔ Pīnyīn: XīYuánQiánJiǔJiǔJiǔ [ Xī Yuán Qián Jiǔ Jiǔ Jiǔ ]
- (英文翻譯) English Translation: "999 BC"
- (西語翻譯) Traducción Español: "antes de Cristo: 999"
- (日文翻譯) 日本語翻訳: "BC: 999"
