The Twelve Zodiac Animals (Eto) — Why Everyone Knows Your Birth Year
New Year's cards, birth-year charms and the tactful way to guess someone's age: how the 12-animal zodiac quietly runs Japanese small talk.
Every year in Japan belongs to one of twelve animals — the 干支 (eto) cycle shared across East Asia. It's most visible at New Year: 年賀状 (nengajō, New Year's postcards) are covered in that year's animal, shrines sell zodiac charms, and everyone knows their own animal the way Westerners know their star sign. 2025 was the snake; 2026 is the horse (午年, uma-doshi).
The twelve animals
| Word | Reading | Meaning |
|---|---|---|
| 子 | ね ne | rat (zodiac reading — the normal word is ねずみ) |
| 丑 | うし ushi | ox |
| 寅 | とら tora | tiger |
| 卯 | う u | rabbit |
| 辰 | たつ tatsu | dragon — the only imaginary one |
| 巳 | み mi | snake |
| 午 | うま uma | horse |
| 未 | ひつじ hitsuji | sheep |
| 申 | さる saru | monkey |
| 酉 | とり tori | rooster |
| 戌 | いぬ inu | dog |
| 亥 | い i | wild boar (pig elsewhere in Asia — Japan made it wild) |
The polite age trick
Asking someone's age is awkward; asking 「何年(なにどし)ですか?」 — “what's your zodiac animal?” — is charming, and narrows their birth year to a multiple of twelve. Doing the mental math silently is a national sport. Your zodiac year (年男 / 年女, toshi-otoko / toshi-onna) comes every 12 years and is considered lucky-but-risky; red underwear is the traditional countermeasure, sold openly in department stores every December.
Where the animals hide
The zodiac kanji above are old calendar signs, different from the everyday animal kanji (the ordinary dog is 犬, not 戌). You'll spot the calendar forms on nengajō, shrine fortune slips and the famous 丑の日 eel-eating day each summer. The everyday animal words, though, are all early JLPT vocabulary — starting with 犬 (dog) and 馬 (horse).
🔊 Tap any word in the vocabulary tables to hear it spoken.
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