How to Say ‘Whose birthday?’ in Japanese
だれのたんじょうび？
dare no tanjou bi
[dah-reh noh tan-joh bee]
💬 Usage Tip: [だれの] means "whose." The particle [の] shows possession here.
🇯🇵 In Japan: Short question forms like this are very natural in casual conversation.
Phrase Breakdown
だれ
dare
[dah-reh]
who
だれ is the basic question word for asking about a person: 'who?'
だれのかばんですか。
Whose bag is it?
の
no
[noh]
of
の links nouns and often shows possession or connection, like 'of' or apostrophe s in English.
せんせいのへやです。
It is the teacher's room.
たんじょうび
tanjou bi
birthday
The basic noun for “birthday.”
きょうはたんじょうびです。
Today is my birthday.
Words in this phrase
たんじょう
tanjou
[tan-joh]
birth
たんじょう means birth or coming into the world, and it forms part of birthday.
たんじょうをよろこびます。
We rejoice at a birth.
び
bi
[bee]
day
び means day in compounds and helps make たんじょうび, birthday.
びをえらびます。
We choose the day.
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