- Traditional Chinese Character(HanT):
九一一
- Simplified Chinese Character(HanS):
九一一
- Bopomofo(Mandarin Phonetic Symbols): ㄐㄧㄡˇ ㄧ ㄧ (ㄐㄧㄧ)
- Bopomofo(Zhuyin Keyboard Input/IME): "ru.3u u " (ru.3uu)
- 「九一一」的注音符號/「九一一」怎麼發音怎麼唸: ㄐㄧㄡˇ ㄧ ㄧ
- (ASCII) Hanyu Pinyin: "jiuyiyi" "Jiu3Yi1Yi1" "Jiu3 Yi1 Yi1" (JYY)
- (Latin) Hànyǔ Pīnyīn: JiǔYīYī [ Jiǔ Yī Yī ]
- (英文翻譯) English Translation: "September 11"
- (西語翻譯) Traducción Español: "11 de septiembre"
- (日文翻譯) 日本語翻訳: "9月11日"