How to Say “Happy Birthday Grandma” in Japanese

おばあちゃん、お誕生日おめでとう
obāchan, otanjōbi omedetō
The English phrase "happy birthday grandma" is translated into Japanese as おばあちゃん、お誕生日おめでとう (obāchan, otanjōbi omedetō).
This phrase is a greeting used to wish a grandmother a happy birthday.

What does it mean word for word?

The term for birthday, お誕生日, includes the honorific prefix o to show respect to the person celebrating.

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

The term おばあちゃん is an affectionate and informal way to address a grandmother, whereas obāsan would be more standard or polite.

How do you pronounce it?

obāchan, otanjōbi omedetō

Did you know?

  • Japanese culture often emphasizes the 'kanreki' birthday, the 60th anniversary of one's birth. This is seen as a 'rebirth' and is traditionally celebrated with the person wearing a red vest and hood.
  • Depending on the length of the vowel, おばあさん means 'grandmother' while おばさん means 'aunt'. Mistaking the long 'aa' for a short 'a' can accidentally turn a greeting for a grandmother into one for an aunt.
  • Unlike English, where 'Grandma' is a name, in Japanese, 'obāchan' can function almost like a title or a role. Even people who are not related to you might use it to address an elderly woman in a friendly shop or street setting.

Examples in context

  • おばあちゃん、お誕生日おめでとう。いつもありがとう。
    Obaachan, otanjoubi omedetou. Itsumo arigatou.
    Happy birthday, grandma. Thank you for everything.
  • おばあちゃん、お誕生日おめでとう!元気でいてね。
    Obaachan, otanjoubi omedetou! Genki de ite ne.
    Happy birthday, grandma! Please stay healthy.

Example conversation

Two grandchildren are giving a present to their grandmother.

  1. 大翔 Hiroto

    おばあちゃん、お誕生日おめでとう!
    Obaachan, otanjoubi omedetou!
    Happy birthday, Grandma!
  2. 結衣 Yui

    私も!お誕生日おめでとう!
    Watashi mo! Otanjoubi omedetou!
    Me too! Happy birthday!
  3. 大翔 Hiroto

    これ、プレゼントだよ。
    Kore, purezento dayo.
    This is a present for you.
  4. 結衣 Yui

    わあ、ありがとう!
    Waa, arigatou!
    Wow, thank you!
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Ellie Jenna
Ellie JennaHelp 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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