Last Updated：2025/11/21

(In both the 12-hour clock and the 24-hour clock) The start of the thirteenth hour of the day; noon (noontime); 12:00 p.m. (12:00).

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twelve o'clock

Source Word

twelve o'clock

Noun

uncountable usually informal

Japanese Meaning

正午 / 昼の12時/12:00

We decided to meet at twelve o'clock for lunch.

私たちは昼食のために正午に会うことにしました。

Sense（1）

The next train comes at twelve o'clock (= "The next train comes at noon").

Sense（2）

(Only in the 12-hour clock) The start of the first hour of the day; midnight; 12:00 a.m. (00:00).

The bar closes at twelve o'clock (= "The bar closes at midnight").

Sense（3）

We've got a bogey at twelve o'clock (= "We've got a bogey straight in front of us").

twelve o'clocks

（ plural ）