What does the summer solstice solar term mean? The longest day in a year is 2 1 or 22 per year.

China has 24 solar terms, each with its own meaning and characteristics, and many unforgettable customs. Among them, the solstice in summer is often heard by everyone. Next, I will take you to understand and understand the meaning of the summer solstice solar terms.

What does the summer solstice solar term mean? 1, the longest day of the year.

Solstice is one of the twenty-four solar terms and one of the earliest defined solar terms. Summer Solstice? Summer? It means summer. Where to? It means extremes, so what does the summer solstice solar term mean? It means that this day is the longest day in a year. After the summer solstice, the days in the northern hemisphere will be shorter and the nights will be longer.

2. Characteristics of solar terms from summer to solar terms

In the 7th century BC, the shadow of the sun was measured by civil soil gauge, thus the summer solstice was determined. As the fourth solar term in summer, the characteristics of summer solstice solar term are also obvious. At this time, the sun is abundant, the temperature is high, and there is much rain. The rainy season and dog days are also in the summer solstice. In addition, since ancient times, there has been a custom of worshipping God and ancestors from summer to the sun in order to pray for disaster relief and a prosperous year.

Ps: On the day of summer solstice, the longest day in China is Mohe, which is nearly 17 hours. The shortest is Zengmu shoal, with the daily length exceeding 12 hour.

Second, the origin of summer to solar terms 1, longitude 90? For the summer solstice

The ancients called the earth's orbit? Ecliptic? Divided into 24 equal parts, with an interval of 15? , it formed the twenty-four solar terms. Every time the earth moves on the ecliptic, 15? , corresponding to a solar term, and when the sun reaches 90? This is the summer solstice solar term.

2. Every June 2 1 or 22.

Understand the meaning of the summer solstice solar term, let's take a look at its specific time. It is understood that the summer solstice is the tenth of the 24 solar terms in China. The specific time is June 2 1 or 22, 20 19, the summer solstice is 20 1, and in 2020 it is 2 1. On this day, the northern hemisphere has the longest day and the shortest night.

Summary: after reading the complete text, everyone should understand the meaning of the summer solstice solar terms! In short, the twenty-four solar terms are actually 24 solar terms, with two solar terms per month, each solar term has three periods of five days, and the summer solstice is the tenth solar term of the twenty-four solar terms. Before the summer solstice solar term, it is the mountain solar term, followed by the summer solar term. Interested friends can go and have a look.