How to Say “Happy Children’s Day” in Japanese

こどもの日おめでとう
kodomo no hi omedetou
こどもの日おめでとう (kodomo no hi omedetou) is how you say Happy Children's Day in Japanese.
This phrase is a greeting used to wish children a happy Children's Day.

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

The default form こどもの日おめでとう is informal and suitable for friends, family or children.

How do you pronounce it?

kodomo no hi omedetou

Did you know?

  • The word こども can be written as 子供, where the second character literally means 'small mouth'.
  • To celebrate こどもの日, families traditionally fly こいのぼり or 'carp streamers' outside their homes to symbolize strength and success for their children.
  • While the phrase uses 'kodomo' for 'child', the holiday's historical predecessor was actually 'Tango no Sekku', a festival dedicated specifically to boys. Modern celebrations are now inclusive of all children regardless of gender.

Examples in context

  • こどもの日おめでとう!
    Kodomo no hi omedetou!
    Happy Children's Day!
  • みんな、こどもの日おめでとう。
    Minna, kodomo no hi omedetou.
    Happy Children's Day, everyone.
  • こどもの日おめでとう、元気に育ってね。
    Kodomo no hi omedetou, genki ni sodatte ne.
    Happy Children's Day, grow up healthy.

Example conversation

A father greets his daughter on Children's Day.

  1. 大翔 Hiroto

    陽葵、こどもの日おめでとう!
    Himari, kodomo no hi omedetou!
    Himari, happy Children's Day!
  2. 陽葵 Himari

    わーい!ありがとう、パパ!
    Waaai! Arigatou, papa!
    Yay! Thank you, Daddy!
  3. 大翔 Hiroto

    今日は何を食べたいかな?
    Kyou wa nani o tabetai kana?
    What would you like to eat today?
  4. 陽葵 Himari

    ケーキが食べたい!
    Keeki ga tabetai!
    I want to eat cake!
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Devin Jim
Devin JimHelp 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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