[--]

Jyutping sing1 kei4 gei2
Pinyin xīng qí jǐ

Definitions (Wiktionary)
  1. pron
    which day of the week (question)
    (syn.) 拜幾, 拜几, 禮拜幾, 礼拜几
    • 今天星期幾?
      今天星期几?
      jīn tiān xīng qī jǐ ?
      Which day of the week is it today?

[--]

Jyutping sing1 kei4 gei2
Pinyin xīng qī jǐ

Definitions (CC-CEDICT)
  1. which day of the week
Definitions (粵典–words.hk)
  1. 代詞
    用​嚟​詢問​一個​星期​嘅​邊​一日
    which day of the week
    • 星期幾食飯呀?
      星期几食饭呀?
      sing1 kei4 gei2 sik6 faan6 aa3?
      Which day are we going to meet (for dinner)?
  2. 近義詞
    禮拜幾
Definitions (Wiktionary)
  1. pron
    which day of the week (question)
    (syn.) 拜幾, 拜几, 禮拜幾, 礼拜几
    • 今天星期幾?
      今天星期几?
      jīn tiān xīng qī jǐ ?
      Which day of the week is it today?
Examples (Tatoeba—Mandarin-English)
  1. Mandarin
    今天星期几?
    今天星期幾?
    jīn tiān xīng qī jǐ ?
    • What day is it today?
    • What day is it?
    • What day of the week is it?
  2. Mandarin
    我不知道他星期几会来。
    我不知道他星期幾會來。
    wǒ bù zhī dào tā xīng qī jǐ huì lái 。
    • I don't know what day he'll come.
  3. Mandarin
    昨天星期几?
    昨天星期幾?
    zuó tiān xīng qī jǐ ?
    • Yesterday was what day of the week?
    • What day was yesterday?
    • What day was it yesterday?
  4. Mandarin
    昨天星期几?
    昨天星期幾?
    zuó tiān xīng qī jǐ ?
    • Yesterday was what day of the week?
    • What day was yesterday?
  5. Mandarin
    今天是星期二,明天是星期几?
    今天是星期二,明天是星期幾?
    jīn tiān shì xīng qī èr , míng tiān shì xīng qī jǐ ?
    • Today is Tuesday. Which day is it tomorrow?
Examples (粵典–words.hk)
  1. Cantonese
    星期几食饭呀?
    星期幾食飯呀?
    sing1 kei4 gei2 sik6 faan6 aa3?
    • Which day are we going to meet (for dinner)?
  2. Cantonese
    星期几
    星期幾
    sing1 kei4 gei2
    • which day of the week
Examples (Wiktionary)
  1. Mandarin
    今天星期几?
    今天星期幾?
    jīn tiān xīng qī jǐ ?
    • Which day of the week is it today?