Ugly time, one of twelve o'clock, also known as cock crow and pheasant. Corresponding to modern time, 65438+ 0 am to 3 am. For example, "The Book of Songs Ruri Jiming": "Ruri Jiming, the scholar is ignorant." In ancient times, when a rooster crowed, the sky was unclear (when it was almost dawn). At this time, the cows are eating grass and ready to have a rest.
Not yet, one at twelve o'clock, corresponding to the modern time 13 to 15. At this time, the sun goes down and begins to go west, so it is also called the sun side and the sun dial. The meaning of the sundial is that after the transit, the sun leans to the west. With the transit as the boundary, the sun at this time is opposite to the sun in the corner.
The origin of the twelve-hour system
Twelve o'clock system was adopted 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.
Twelve o'clock consists of twelve specific time nouns. People can find the source of these words from the ancient books of China in the pre-Qin period. Before the Han Dynasty, these appellations were different. Until the early Han Dynasty, China implemented the taichu calendar Law. "Twelve o'clock a day, the main branch is the subject." (Zhao Yi's Examination of Jade Cong, Volume 34) Basic stereotypes and naming. The twelve o'clock calendar is unique and has a long history. It is an outstanding contribution of the Chinese nation to the astronomical calendar of mankind and one of the splendid treasures of Chinese culture.