How to Say "When is your birthday" in Chinese (Mandarin): 你的生日是哪一天？

The characters in 你的生日是哪一天？

• 生

  To be born.

  5 strokes

• 日

  Day.

  4 strokes

• 哪

  Which. 口 (mouth) is on the left.

  9 strokes

哪一天 is "which day". You can also ask 你的生日是几月几号？ (what month and date?).

More examples with 你的生日是哪一天？

• 小红，你的生日是哪一天？

  小紅，你的生日是哪一天？

  Xiǎo Hóng, nǐ de shēngrì shì nǎ yì tiān?

  Xiao Hong, when is your birthday?

• 你的生日是哪一天？是五月一号。

  你的生日是哪一天？是五月一號。

  Nǐ de shēngrì shì nǎ yì tiān? Shì Wǔyuè yī hào.

  When is your birthday? It's May first.