How to Say “Your Birth Date” in Japanese

あなたの生年月日
anata no seinengappi
In Japanese, your birth date is expressed as あなたの生年月日 (anata no seinengappi).
あなたの生年月日 refers to your birth date. The term 生年月日 is most commonly encountered in formal contexts such as filling out medical forms, bank applications or government documents.

What does it mean word for word?

The word 生年月日 (seinengappi) is a compound of 生年 (birth year), 月 (month) and 日 (day).

Is there a formal and an informal way to say it?

The term 生年月日 is the standard term for 'date of birth' on official documents. However, in casual conversation, people often just say 誕生日 (tanjoubi), which means 'birthday'.

How does it change in a sentence?

The particle の is used to link the possessive pronoun あなた (you) to the noun 生年月日 (birth date).

How do you pronounce it?

anata no seinengappi

Did you know?

  • Japanese has a specific term 数え年 (kazue-doshi) for a traditional way of counting age based on the 生年月日 where a person is one year old at birth.
  • When filling out forms that ask for 生年月日, you will often see the era name required instead of the Western year. For example, you might have to write 'Showa 60' or 'Reiwa 5' instead of '1985' or '2023'.
  • In Japanese culture, mentioning your 生年月日 on official documents is often paired with a personal seal called a 印鑑 (inkan) to verify the identity of the person born on that date.

Examples in context

  • あなたの生年月日を教えてください。
    anata no seinyengappi o oshiete kudasai.
    Please tell me your birth date.
  • 書類にあなたの生年月日を記入してください。
    shorui ni anata no seinyengappi o kinyu shite kudasai.
    Please enter your birth date in the document.
  • あなたの生年月日はいつですか?
    anata no seinyengappi wa itsu desu ka?
    When is your birth date?

Example conversation

Ren is helping Yui fill out a registration form at a gym.

  1. 蓮 Ren

    ここにあなたの生年月日を書いてください。
    koko ni anata no seinyengappi o kaite kudasai.
    Please write your birth date here.
  2. 結衣 Yui

    はい、わかりました。
    hai, wakarimashita.
    Yes, I understand.
  3. 蓮 Ren

    結衣さんの生年月日は、間違いありませんか?
    yui-san no seinyengappi wa, machigai arimasen ka?
    Is your birth date correct, Yui?
  4. 結衣 Yui

    はい、大丈夫です。
    hai, daijoubu desu.
    Yes, it is fine.
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Yvonne Gail
Yvonne GailHelp make this guide better. Spot a mistake, know another way to say it, or have an example from real life? Share it below.
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