When is nine o'clock?

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

Twelve o'clock direction

In ancient times, a day and night was divided into twelve hours, namely: Zi, Ugly, Yin, Mao, Chen, Si, Wu, Wei, Shen, You, Xu and Hai. Every hour is equivalent to two hours in modern times. The ancients named each time according to the time of animals in the zodiac.

It was used in the Western Zhou Dynasty. In the Han Dynasty, it was named Midnight, Crow, Pingdan, Sunrise, Food Time, Horn, Japan-China, Sundial, Sunset, Dusk and Man's Decision. It is also expressed by the twelve earthly branches, and it is the child time from 23: 00 to 1 at midnight, the ugly time from 1 to 3: 00, and the Yin Shi time from 3: 00 to 5: 00, which are recursive in turn.

prime time

According to the Gregorian calendar, 9: 00 am is in Shi Si, and according to the current 24-hour system, it is now 9: 00 am in Shi Si 1 1. In ancient times, it was also called horn, which represented the time near noon.

As the first prime time for work and study, Shi Si is the most efficient time for office workers to study and work. Because this period is the most active period of the brain, the solution of important problems can be completed during this period.