7 p.m. to 9 p.m.
Xu Shi refers to 19:00 to 21:00. It's also called dusk. According to the natural law of the sun, the change of sky color, and their daily production activities and living habits, the ancient people summed up and created the twelve hour. It is not only a great contribution of the Chinese nation to human astronomy and calendar, but also one of China's splendid cultural treasures.
explain
[Xu Shi] dusk, also known as sunset, sunset, day night, etc.: at this time, the sun has set and the sky will be dark. The sky and the earth are dim, so it is called dusk. During this time, the dog began to guard the door.
Relevant information
The working people in ancient China divided a day into twelve hours, each of which is equal to two hours today. It is said that the ancient Chinese people named each hour according to the time of animals in the Chinese zodiac.
Twelve hour system. It was used in the Western Zhou Dynasty. In Han Dynasty, it was named as midnight, Jiming, Pingdan, sunrise, Shishi, Yuzhong, rizhong, Riyi, Bushi, riru, dusk and rending. It is also represented by twelve Branches, with 23:00 to 1:00 as the sub time, 1:00 to 3:00 as the Chou time, and 3:00 to 5:00 as the Yin time.
Midnight, also known as midnight and midnight, is the first hour of the twelfth hour. (23:00 to 1:00).
[ugly time] Jiming, also known as wild chicken: the second hour of the twelfth hour. (1:00 to 3:00).
Yinshi: Pingdan, also known as daybreak, morning and daybreak, is the time when night and day alternate. (3:00 to 5:00).
Sunrise, also known as the beginning of the sun, the breaking of dawn and the rising of the sun, refers to the time when the sun just appears and rises. (5:00 to 7:00).
[Chenshi] Shishi, also known as Zaoshi, etc.: the time of "Chaoshi" in ancient times was the time of breakfast (7:00 to 9:00).
[Si Shi] Yuzhong, also known as riyu, is called Yuzhong near noon. (9:00 to 11:00).
[noon] rizhong, also known as rizheng, noon, etc. (11:00 to 13:00).
[Weishi] Sun products, also known as the sun falls, the sun center, etc.: the sun falls to the West. (13:00 to 15:00).
[Shenshi] Bushi, also known as RI Pu, Xi Shi, etc. (15:00 to 17:00).
When the sun sets, the sun sets. (17:00 to 19:00).
[Xu Shi] dusk, also known as sunset, sunset, day night, etc.: at this time, the sun has set and it will be dark. The sky and the earth are dim, so it is called dusk. (19:00 to 21:00).
[Haishi] rending, also known as dinghun, etc.: at this time, the night is deep, and people have stopped their activities and have a rest. People must be quiet. (21:00 to 23:00).
Chinese PinYin : Xu Shi
7 p.m. to 9 p.m.