How to distinguish twelve o'clock?

The comparison table for twelve o'clock is as follows:

Names corresponding to time: Zi (zhǐ), Chou (chǐu), Yin (yín), Mao (m ǐ o), Chen (chén), Si (s), Wu (), Wei (wèi) and Shen (shēn).

Twelve-hour working day:

It was used in the Western Zhou Dynasty. In the Han dynasty, it was named midnight, crow, pingdan, sunrise, food time, corner, day, sundial, sunset, dusk and people's decision. It is also represented by the twelve earthly branches, with the midnight from 23: 00 to 1: 00 as the sub-hour, 1: 00 to 3: 00 as the sub-hour, and 3: 00 to 5: 00 as the Yin Shi time, which are circulated in turn.

Extended Information In ancient China, people used the method of "dripping water from a copper pot" to measure time, and divided a day and night into twelve hours, corresponding to twenty-four hours today. From eleven o'clock to midnight, from one to three is ugly, from three to five is Yin Shi, and so on.

When clocks and watches were first introduced into China, some people called one hour "striking time" and one hour in the new time "striking time". Later, with the popularity of clocks and watches, the word "big hour" disappeared, but "hour" has been used to this day.

After the founding of the Republic of China, the year, month, day and hour were adopted, while the China lunar calendar was retained. When recording the year, a day is divided into 24 hours, which is twice as small as the traditional 12 hour, so it is called an hour.