How many hours are there in a day?

1. In the ancient calendar of China, Zi, Ugly, Yin, Mao, Chen, Si, Wu, Wei, Shen, You, Xu and Hai were called "Twelve Earthly Branches". At least since the Han Dynasty, China has divided a day and night into twelve hours according to the time when the sun rises, and recorded these twelve hours (big hours) with the method of twelve minutes, each hour is equivalent to two hours, and such a day and night is now called twenty-four hours.

2. Rats, cows, tigers, rabbits, dragons, snakes, horses, sheep, monkeys, chickens, dogs and pigs are called "Zodiac" to record the year.

3. The two cooperate with each other in a fixed order to form a mouse, ugly cow, silver tiger, hairy rabbit, Chen Long, fourth uncle, five horses, Weiyang, monkey, unitary chicken, dog and porcupine, which are used for punctuality.

Midnight: Midnight, also known as midnight, midnight, the first hour of twelve o'clock. (23: 00 to 0 1 hour Beijing time).

Ugly time: The crow of chickens, also called pheasants, is the second hour of twelve o'clock. (065438+ 0: 00 to 03: 00 Beijing time).

Yin Shi: Pingdan, also known as dawn, dawn and sunset, is the alternation of day and night. (03: 00 to 05: 00 Beijing time).

Shi Mao: Sunrise, also known as sunrise, dawn and rising sun, refers to the time when the sun just appeared and Ran Ran first rose. (05: 00 to 07: 00 Beijing time).

Chen Shi: When eating, it is also called eating early. When the ancients ate in the morning, it was also breakfast time. (07: 00 to 09: 00 Beijing time).

Shi Si: Jiao, also known as Yu Ri, is near noon. (09: 00 to 1 1: 00 Beijing time).

Noon: Japan and China, also known as Sun Zheng, noon, etc. (Beijing time 1 1 to Beijing time 13).

Not yet: sundial, also known as sunset, sun center, etc. The sun sets in the west. (Beijing time 13 to Beijing time 15).

Shen Shi: feeding time, also known as day shop, late food, etc. (Beijing time 15 to Beijing time 17).

You Shi: Sunrise, also known as sunset, sunset and dusk, refers to the time when the sun sets. (Beijing time 17 to Beijing time 19).

Time: dusk, also known as sunset, sunset, dusk, etc. At this time, the sun has set and the sky will be dark. The world is dark and everything is hazy, so it is called dusk. (Beijing time 19 to Beijing time 2 1).

Shi Hai: People are certain, also known as fixed coma. It was late at night, and people stopped their activities and had a rest. Calm means quiet. (Beijing time 2 1 hour to 23: 00).

Extended data:

1. The meaning of "Twelve Earthly Branches":

"Zi" means "Zi", which means that everything sprouts in the dynamic sun; "Ugliness" is new, and the spirit of the sun has not fallen; "Yin" means that everything begins to produce Yin. "Mao" is Mao, and everything is Mao; "Chen" means earthquake, and everything grows because of vibration; "Si" is the beginning, which refers to the exuberance of Yang; "noon" means that everything is grand and intensive; "Taste" is a kind of taste, and everything has a taste; "Body" means body, which means that the body of all things has been achieved; "Unitary" means old, and everything is old; "Xu" means destruction, and everything is destroyed; "Sea" means the core, and everything is harvested.

2. The selection and arrangement of the zodiac is determined according to the daily activity time of animals:

1) at night 1 1 to the early morning 1 is midnight, and rats are the most active, so they are called "offspring rats".

2) It is ugly from 1 a.m. to 3: 00 a.m., and the cow is ruminating, which is also the moment when the cow begins to plow, so it is called "ugly cow".

3) From 3: 00 a.m. to 5: 00 a.m., it's Yin Shi, where tigers wander around for food, the fiercest, so they are called "Silver Tigers".

4) From 5 am to 7 am, it is Shi Mao. At this time, the sun has not yet risen and the moon is still hanging in the sky. At this time, Yutu is busy making medicine. Rabbits on the earth also began to come out for food, so they were called "hairy rabbits".

5) From 7: 00 a.m. to 9: 00 a.m., it is Chen Shi, which is a good time for the Dragon to rain, so it is called "Chen Long".

6) From 9: 00 am to 1 1 for the fourth time, the snake began to be active, so it was called "the fourth snake".

7) From 1 1: 00 in the morning to 1: 00 in the afternoon, the sun is shining and it is noon, which is the time when the sky is unconstrained, so it is called "afternoon horse".

8) From 1 p.m. to 3: 00 p.m. is not a suitable time. At this time, sheep will grow stronger if they eat grass, so they are not sheep.

9) 3 pm to 5 pm is the application time. Monkeys are more active at this time, so they are called "application monkeys".

10) From 5 pm to 7 pm, it is unitary time. Whenever night falls, chickens begin to return to their nests, so they are called "unitary chickens".

1 1) From 7: 00 to 9: 00 p.m., dogs start to keep vigil, so they are called "dog measures".

12) From 9: 00 pm to 1 1 pm, it is Shihai. At this time, all is silent, and the pig is snoring and sleeping, so it is called "sea pig".

3. The Zodiac, also known as the Zodiac, is twelve animals used by some ethnic groups in China and East Asia to indicate the year and the year of birth. The cycle of the zodiac is 12 years. Everyone's animal year has a zodiac sign. Zodiac animals, that is, rats, cows, tigers, rabbits, dragons, snakes, horses, sheep, monkeys, chickens, dogs and pigs, are distributed in the twelve branches in turn, which is a folk method for calculating age in China and an ancient chronology, also known as the Zodiac.

References:

1.

China Classic Literature Network: heavenly stems and earthly branches Zodiac

2.

Baidu Encyclopedia-Zodiac and Zodiac

Recommend 2019-10-19.

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