How to pronounce twelve o'clock?

Pronunciation at twelve o'clock: Zi (zǐ), Ugly (chǒu), Yin (yín), Mao (m ǐ o), Chen (chén), Si (si), Wu (), Wei (wèi) and Shen (shēn).

The ancient working people divided a day and night into twelve periods, each of which was called an hour. Twelve o'clock can mean a day or any time. Twelve o'clock was created by the ancient working people in China according to the natural laws of the sun, the changes of the sky, daily production activities and living habits.