How to Say "Twenty Four" in Japanese

二十四

nijūyon[ɲ̟iʑɨːjõ̞ɴ]

The phrase for twenty four in Japanese is 二十四 (nijūyon).

二十四 is used to represent the number that follows twenty-three and precedes twenty-five.

What does it mean word for word?

The number is composed of the characters for twenty (二十) and four (四).

nijūyon

The character for four, 四, is often avoided in certain contexts because its reading 'shi' sounds identical to the word for 'death'. This can make sequences of numbers involving four feel unlucky in some Japanese cultural settings.
The term 二十四節気 refers to the twenty-four solar terms of the traditional calendar, which divide the year into specific seasonal markers based on the sun's position.
If you are counting objects, the way you say twenty four might change depending on what you are counting. Japanese uses 'counters' for different categories, such as 'mai' for flat objects or 'hon' for long objects, which can alter the rhythm of the phrase.

一日は二十四時間ある。
A day has twenty-four hours.
This sentence is useful for showing how to express that a day contains twenty four hours using 二十四.
Tatoeba #190268 by bunbuku, translation #27426 by CM
今年で私は二十四歳になります。
I will be twenty-four years old this year.
この本は24ページあります。
This book has 24 pages.
彼は24時間テレビを楽しみにしています。
He is looking forward to the 24-hour television program.
二十四歳です。
nijūyon sai desu.
I am twenty-four years old.
二十四枚の切手があります。
nijūyon mai no kitte ga arimasu.
There are twenty-four stamps.
1 more sentence on Tatoeba

Hiroto and Misaki are talking about a bus schedule.

大翔 Hiroto

バスは二十四番の乗り場から出ます。
basu wa nijūyon ban no noriba kara demasu.
The bus leaves from platform twenty-four.
美咲 Misaki

二十四番ですね。分かりました。
nijūyon ban desu ne. wakarimashita.
Platform twenty-four, right. I understand.
大翔 Hiroto

あそこにある看板を見てください。
asoko ni aru kanban o mite kudasai.
Please look at that sign over there.
美咲 Misaki

あそこにありますね。ありがとう。
asoko ni arimasu ne. arigatō.
It is over there. Thank you.

Sources

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