Daily life: When is your birthday?

Basic sentence
Basic sentence

On this page, you can learn how to ask when somebody’s birthday is in Japanese.

Key Sentence

First box: English, Second box: Romaji, Last box: Japanese writing and audio

When is your birthday?
ta n jo u bi wa i tsu de su ka

One by one

  • たん生日(たん・じょう・び) → birthday
  • は → no meaning
  • いつ → when
  • です → is
  • か → ?

Note 1: No ‘your’

There is no word for ‘your’ in the Japanese sentence above. This often happens. Put あたなの which is ‘your’ if you want to make it clear to ask ‘your’ birthday.

Japanese people usually do not put あなたの if it is clear enough to ask ‘your’ birthday in the situation.

Note 2:

Put the person’s name plus の in front of たん生日 if you want to ask somebody’s birthday.


When is Tom’s birthday?


When is your younger sister’s birthday?

Vocabulary: Somebody else's family
On this page, you can learn how to say people in a somebody else's family in Japanese.


Task 1: Change into Japanese.

  • When is your birthday?

Task 2: Change into English.

  • たん生日はいつですか。

Task 3: Listen to answer what you hear in English.