How to Say “My Birthday Is” in Japanese

私の誕生日は
watashi no tanjōbi wa
In Japanese, "my birthday is" is expressed as 私の誕生日は (watashi no tanjōbi wa).
This phrase is used to introduce the date on which a person was born. You can specify your birthday by using the structure Watashi no tanjoubi wa ____ desu.

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

The choice of the word for "my" changes the level of formality and gender perception. Using 俺 (ore) instead of 私 is very casual and typically used by men in informal settings.

How does it change in a sentence?

The particle は (wa) functions as a topic marker, marking 私の誕生日 (my birthday) as the topic of the sentence.

How do you pronounce it?

watashi no tanjōbi wa

Did you know?

  • Depending on the era, some older Japanese people may still track their age using the 'kazoedoshi' system, which counts the time spent in the womb as the first year of life.
  • In Japan, birthdays are often celebrated with a 'birthday cake' that is conceptually different from Western ones, as the most popular style is a light strawberry shortcake rather than chocolate or vanilla.
  • When stating a birthday, the Japanese word for 'day' 日 (nichi) has irregular readings for the 1st through 10th of the month that do not follow standard number patterns.

Examples in context

  • 私の誕生日は2月です。
    My birthday is in February.
    This sentence is useful for stating that your birthday is in February using 私の誕生日は.
    Tatoeba #11853673 by small_snow, translation #10742637 by ddnktr
  • 私の誕生日は11月です。
    My birthday is in November.
    This sentence is useful for stating that your birthday is in November using 私の誕生日は.
    Tatoeba #163096 by small_snow, translation #251416 by CN
  • 私の誕生日は10月です。
    My birthday is in October.
    This sentence is useful for stating that your birthday is in October using 私の誕生日は.
    Tatoeba #10283458 by bunbuku, translation #3821846 by CK
  • 3 more sentences on Tatoeba

Example conversation

Two friends are talking about their upcoming celebrations.

  1. 陽太 Yota

    結衣さんの誕生日はいつですか?
    Yui-san no tanjoubi wa itsu desu ka?
    When is your birthday, Yui?
  2. 結衣 Yui

    私の誕生日は8月10日です。
    Watashi no tanjoubi wa hachigatsu tooka desu.
    My birthday is August 10th.
  3. 陽太 Yota

    そうですか。僕は来月です。
    Sou desu ka. Boku wa raigetsu desu.
    I see. Mine is next month.
  4. 結衣 Yui

    陽太さんの誕生日はいつですか?
    Youta-san no tanjoubi wa itsu desu ka?
    When is your birthday, Youta?

Sources

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Craig Jesse
Craig JesseHelp 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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