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Repair common Windows errors and clear accumulated junk for a smoother, more stable PC - no reinstall needed.Free scan · no reinstallA Sanrio character shares your birthday when their official birthday matches your month and day. Compare your date with the birthday field on Sanrio’s official character profiles. Four confirmed matches so far: My Melody (January 18), Cinnamoroll (March 6), Kuromi (October 31), and Hello Kitty (November 1). If your date is one of these, you have your answer. If not, the sections below explain how to check the rest of the roster and what the sources can and cannot confirm.
How a birthday match works
The match is based on the exact month and day. Sharing a birth month is not enough. A character born on March 6 is a birthday twin for someone born on March 6, but not for someone born on March 12.
Confirmed Sanrio birthdays
The table below lists the birthdays published in Sanrio’s official English character profiles. Each entry is a profile fact about a fictional character, not a population statistic.
| Character | Birthday | How Sanrio describes the character | Source |
|---|---|---|---|
| Hello Kitty (Kitty White) | November 1 | A cheerful and kind girl whose dream is to become a pianist or poet | Sanrio official English character profile |
| My Melody | January 18 | An honest, cheerful girl who looks after her little brother | Sanrio official English character profile; also listed in a 2025 Sanrio press release |
| Cinnamoroll (Cinnamon) | March 6 | A white puppy boy born on a cloud in the distant sky | Sanrio official English character profile |
| Kuromi | October 31 | My Melody’s self-proclaimed rival who is, in fact, very girly | Sanrio official English character profile; also listed in a 2025 Sanrio press release |
Sanrio’s own wording for Cinnamoroll reads: “Cinnamon is a white boy puppy born on a cloud in the distant sky.” That profile also gives his birthday as March 6.
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Finding your match
- Write down your birth month and day, for example “October 31”. Leave out the year.
- Open Sanrio’s official English character profiles and go to each character’s birthday field.
- Compare the month and day exactly. Match only if both agree.
- If you find a match, note every character with that date. More than one character can share a birthday.
Using this method, a reader born on October 31 would find Kuromi, and a reader born on November 1 would find Hello Kitty.
Shared dates and ties
Finding one character on your date does not mean you have the only one. The sources reviewed here do not show that any of the four dates above belongs to a single character alone. Treat each match as “a character with the same birthday” rather than “the character with the same birthday.” If you are checking a date that is not in the table, look at every profile before drawing a conclusion.
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What the sources do and do not establish
- Established: the four birthdays above, as published in Sanrio’s official English character profiles, with My Melody and Kuromi also appearing in a 2025 Sanrio press release.
- Not established: a complete list of Sanrio characters and their birthdays. The sources reviewed here do not include a full birthday roster, and Sanrio’s Japanese-language character directory did not provide a readable birthday listing.
- Not established: whether any date is unique to one character. Duplicate dates may exist among characters not yet checked.
Because of these gaps, no single birthday calendar in this article should be read as complete. The examples are a starting point for your own check against Sanrio’s official profiles.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Other ways to use your result
A birthday match is a quick way to find a character you can connect with. Sanrio’s official profiles include short personality descriptions, and those are often the most useful next step after finding your match. Use the birthday field only to decide whether a character is a match. Do not use a birth-month personality chart as a substitute, because it maps people to characters in a different way and can produce different results.
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