12 (twelve) in japanese

12 in Japanese is 十二（じゅうに, jūni）. The number combines 十, “ten,” and 二, “two.” You can use jūni when reading the number by itself, but everyday phrases usually add a counter or another word, as in 十二時 for twelve o’clock and 十二歳 for twelve years old.

How Do You Say 12 in Japanese?

The normal reading is じゅうに（jūni）. Japanese builds the numbers from eleven to nineteen by putting the unit after ten. Eleven is jūichi, twelve is jūni, and thirteen is jūsan. Unlike English “twelve,” the Japanese form shows the ten-plus-two structure directly.

The same reading appears whether you see 十二 or 12 written on a page. The surrounding context tells you what the number refers to. A number on a clock, a quantity in a sentence, and a date may all include 12, but the complete expression has a different ending.

Different Ways to Write 12

You will encounter the same number in several writing systems. Learn to recognize the kanji, read the hiragana, and connect both with the digit form. These are different written representations of the number, rather than three different everyday words for twelve.

1. 十二 — Kanji

十二 uses 十 for ten followed by 二 for two. The order matters: 十二 is 12, while 二十 is 20. In 二十, two comes before ten and represents two tens. Recognizing the position of 十 helps you avoid reversing these numbers.

Kanji numbers appear in traditional writing, formal contexts, headings, and many other places. Modern Japanese also uses Arabic numerals extensively, so a learner needs to recognize both 十二 and 12 rather than expecting all numbers to be written in kanji.

2. じゅうに — Hiragana

じゅうに shows the pronunciation. The small ゅ combines with じ to make じゅ, and the following う lengthens that vowel. Do not read the small ゅ as a separate full-sized ゆ.

For learning materials, a useful combined form is 十二（じゅうに）. The hiragana in parentheses gives the reading of the kanji. You may also see small reading guides, called furigana, printed above the characters.

3. 12 — Arabic Numerals

12 is common in practical information such as prices, schedules, addresses, and quantities. It does not need to be converted into kanji to be ordinary Japanese writing. For example, 12時 and 十二時 can both represent twelve o’clock.

The pronunciation follows the expression rather than the shape of the digits. A room number or telephone number may be read according to local conventions or digit by digit, so do not assume every written pair of digits is always spoken as a single cardinal number.

12 in Japanese: Quick Comparison

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Notice how the base number stays recognizable when a word follows it. In 十二時, add ji for the hour. In 十二歳, add sai for age. Learning these complete combinations is more useful than memorizing jūni without knowing where you can use it.

How to Pronounce Jūni

The romanization jūni marks a long ū. If your keyboard does not have a macron, juuni is a useful learning spelling because it makes the long vowel visible. Plain “juni” often appears when long-vowel marks are omitted, but it can hide an important pronunciation detail.

In Japanese timing, じゅうに has three morae: じゅ・う・に. A mora is a small rhythmic timing unit. Let the first vowel last for two units, then say に. Do not turn the long vowel into a separate English-style “oo-uh” sequence.

“Joo-nee” is an approximation, not an exact description of every sound or pitch pattern. Say the phrase smoothly without a strong English stress on the final syllable. Listen to a Japanese voice, repeat, then practice the number with a counter.

Using 12 with Common Counters

Japanese generally uses counters to say how many people or things there are. The appropriate counter depends on what is being counted. For twelve people, use 十二人（じゅうににん, jūninin）. For twelve small items, a common expression is 十二個（じゅうにこ, jūniko）.

• 十二人（じゅうににん） — twelve people
• 十二個（じゅうにこ） — twelve items, with the counter 個
• 十二枚（じゅうにまい） — twelve flat items, such as sheets or tickets
• 十二歳（じゅうにさい） — twelve years old
• 十二時間（じゅうにじかん） — twelve hours as a duration

The general native series hitotsu, futatsu, and so on does not simply continue to a regular everyday form made by adding tsu to jūni. For a quantity of twelve, learn the suitable counter. A shop assistant asking about tickets, for example, may use mai rather than ko.

The 12th, December, and Twelve Months

The twelfth day of a month is 十二日（じゅうににち, jūninichi）. The same reading can express a duration of twelve days when the sentence makes that meaning clear. Japanese dates have several special readings at lower numbers, but the standard reading of the twelfth is jūninichi.

十二月（じゅうにがつ, jūnigatsu） means December, the twelfth month of the year. It does not normally mean a duration of twelve months. For that duration, use 十二か月（じゅうにかげつ, jūnikagetsu）, also commonly written 12か月.

Likewise, distinguish 十二時, twelve o’clock, from 十二時間, twelve hours. The added 間 makes the time-duration expression. These small endings carry information that the number alone cannot provide.

Common Mistakes with 12

Keep the vowel in jūni long, and do not reverse 十二 and 二十. Also choose a counter that suits the thing you mean. Saying the correct number with the wrong counter can make a sentence sound unnatural even when the quantity is understandable.

For calendar expressions, separate the date, the named month, and a duration: jūninichi is the twelfth day, jūnigatsu is December, and jūnikagetsu is twelve months. Practice each with its English meaning so that similar-looking written forms do not blend together.

Example Sentences Using 12 in Japanese

Summary: How to Say 12 in Japanese

12 in Japanese is 十二（じゅうに, jūni）. Keep the long vowel in jū, and remember that 十二 is twelve while 二十 is twenty. Arabic numerals such as 12 are also common in Japanese writing.

Add the appropriate word or counter for your meaning: 十二時 for twelve o’clock, 十二歳 for twelve years old, 十二人 for twelve people, and 十二枚 for twelve flat items. For dates and months, distinguish 十二日, 十二月, and 十二か月.