Eeyore’s birthday in Winnie-the-Pooh is never given a specific calendar date in the original A. A. Milne stories or the classic Disney adaptations; it’s simply “Eeyore’s birthday” as part of the plot.

In the original story

  • Eeyore’s birthday appears in Chapter VI of Winnie-the-Pooh , titled “In Which Eeyore Has a Birthday and Gets Two Presents.”
  • The story focuses on Pooh and Piglet realizing it is his birthday, trying to find presents, and turning it into a small celebration, but no day, month, or year is stated.

In Disney adaptations

  • The same idea shows up again in the cartoon short Winnie the Pooh and a Day for Eeyore , where the plot is that the characters have forgotten his birthday and then celebrate it.
  • Even there, the story treats it as a special day in the Hundred Acre Wood, not as a fixed date on a real-world calendar.

Fan and “real-world” dates

  • Some fans loosely connect Eeyore’s “birthday” to the publication of Winnie-the-Pooh (October 14, 1926), but that is the book’s release date, not an official in-story birthday.
  • Online posts and forum jokes about Eeyore turning certain ages are fan tributes rather than canon dates from Milne or Disney.

TL;DR: In canon, Eeyore’s birthday is just “today” in the story and does not have an official real-world date.

Information gathered from public forums or data available on the internet and portrayed here.