What does summer solstice mean?

What does summer solstice mean? Summer solstice is the hottest season of the year. On this day, people will buy summer grain to eat, and they are afraid of fainting from heatstroke at work in high temperature. So what does the summer solstice mean? Let me look at the relevant materials with you and study together.

What does summer solstice mean? 1 changxia

Every year around the first day of April (between May 5 and 6 of Gregorian calendar), when the sun reaches 45 degrees of the Yellow Meridian, it is the long summer solar term of the lunar calendar. "Sinus refers to the southeast, Wei refers to the long summer, and everything grows here, so it is named long summer." At this time, the longitude of the sun is 45 degrees. Astronomically, Chang Xia said that bidding farewell to spring is the beginning of summer days.

In ancient China, the long summer was divided into three periods: "First, waiting for the cricket's cry;" Second, wait for the earthworm to appear; Wait for Wang Guasheng. " That is to say, in this solar term, you can first hear kangaroos (that is, crickets) croaking in the field (that is, frogs), then you can see earthworms digging in the soil, and then the vines of the king melon begin to climb and grow rapidly.

The day to welcome summer is to build summer. At this time, everything is thriving. After the long summer, it is another hot summer. In order not to lose weight in hot summer, people often take supplements in the long summer to make their bodies strong.

Summer solstice

Summer solstice is one of the 24 solar terms, which occurs on June 2 1 or 22 of the Gregorian calendar every year. On the solstice in summer, the direct sunlight on the ground reaches the northernmost point of the year and almost directly reaches the Tropic of Cancer. At this time, the day in the northern hemisphere is the longest, and the farther north it is, the longer it is.

The summer solstice falls on June 2 1 or 22 every year. Although the summer solstice has the longest day and the highest sun angle, it is not the hottest time of the year. Because, close to the surface of the heat, at this time still continue to save, did not reach the maximum time. As the saying goes, "Hot days are in dog days", and the real hot weather is calculated by summer solstice and beginning of autumn. From mid-July to mid-August, the temperature is the highest in all parts of the country, and the highest temperature in some areas can reach about 40℃.

Solstice is the earliest of the 24 solar terms. In the 7th century BC, the shadow of the sun was measured by civil soil gauge, thus the summer solstice was determined. The annual summer solstice begins on June 2nd1day (or 22nd) and ends on July 7th (or 8th). According to "Zunxian Manuscript", "The sun arrives in the north, the days are long and the shadows are short, so it is called the summer solstice. At best, it is excellent. " On the day of summer solstice, the sun directly reaches the northernmost part of the year, almost directly to the Tropic of Cancer (23 26 north latitude), and the daytime in the northern hemisphere reaches the longest, and the farther north it is, the longer it is. For example, the daily length of Haikou in Hainan is a little more than 13 hours, Hangzhou is 14 hours, Beijing is about 15 hours, and Mohe in Heilongjiang can reach 17 hours. From summer to the future, the position of direct sunlight on the ground gradually moves southward, and the daytime in the northern hemisphere is shortened day by day. There is a folk proverb that "eating noodles on the solstice in summer will shorten the day". At this time, the southern hemisphere is in the middle of winter.

What does summer solstice mean? What does the summer solstice mean?

Official explanation: the solstice in summer is the longest day in a year, which is what we say geographically. The summer solstice is also the earliest of the 24 solar terms. June 2 1 or 22 of the Gregorian calendar every year is the summer solstice.

How is the solstice summer formed? When the sun reaches 90 degrees of the yellow meridian, it is the summer solstice. At this time, the direct point of the sun gradually moves northward, so the days in the northern hemisphere will be long and the nights will be short.

I see: I think the summer solstice solar term means that the weather is getting hotter and hotter, and it will be given by air conditioning in the future. As long as I'm outside, I think I'll get sunburned. In addition, watermelon and ice cream are also symbols of the arrival of summer solstice. How can I live without these cold drinks?

The origin of summer solstice solar terms

In ancient China, the summer solstice was divided into three phases: "The first phase of staghorn dissolution; Second, wait for cicadas to start singing; Third-class Pinellia ternata. " In the ancient summer solstice, people prayed for disaster and prosperity by offering sacrifices to God. "Zhou Li Chun Guan" contains: "With the arrival of summer, go to local things." Sacrificing to God in the summer solstice of the Zhou Dynasty means eliminating plague, famine and starvation.

As an ancient festival, the summer solstice began in the Song Dynasty, and officials have a three-day holiday. In Liao Dynasty, the solstice in summer was called "Tide Festival", and women entered colorful fans and displayed their heritage with powder and fat capsules.