Whats the time of the vernal equinox? Lets take a

At 5:24 on March 21, Beijing time

We have ushered in the "Spring Equinox" solar term

As a spring "C position" solar term that bisects the color of spring

How is the vernal equinox determined?

Is it a period of time or a moment?

Why is there the custom of laying eggs?

Collect this "Learning Note" quickly!

See the solar term! The vernal equinox "six feet six inches six minutes"

Gui watch is one of the earliest timers in the world

As early as the pre Qin period

The ancients based on the length of the shadow on the gnomon

Quantization time

Confirm the 24 Solar Terms

The discovery of the ancient observatory in Beijing from the observation of the gnomon

The shadow length of the vernal equinox is six feet six inches six minutes

The longest shadow length during the winter solstice is

It's one foot five feet nine inches

The shortest shadow length during the summer solstice is

It is two feet and three inches

The ancients were the first to use the Guibiao to measure shadows

Confirm the winter solstice and summer solstice

After a split, you get four hours

Divide and confirm eight sections equally

Each trisection confirms 24 Qi

It is divided into twelve middle qi and twelve solar terms

In modern times, it is collectively known as the 24 Solar Terms

The vernal equinox also comes from this

When does the vernal equinox arrive? The Sun Theory is determined by TA

Through continuous astronomical and meteorological observations

Later generations incorporated solar observations into the calendar

[P] was first adopted in the Shi Xian Calendar. The spatial method is used to divide the 24 solar terms

Modern astronomy

[P] in space. Divide the path of the sun into 24 segments of the ecliptic

Every 15 degrees of movement of the sun is a solar term

Qi Rui, deputy curator of the Beijing Astronomical Observatory, introduced

When the sun "walks" to the intersection of the ecliptic and the equator

It means entering the vernal equinox

The vernal equinox is a point in time in astronomy

At the vernal equinox

The sun shines directly on the equator

Equal amounts of light and heat were obtained in the northern and southern hemispheres

Vernal Equinox Day

The sun rises due east and sets due west

Day and night are divided equally

Laying eggs, eating spring vegetables, and sending spring cattle

The vernal equinox turns out to be so interesting

The 24 solar terms are the Chinese philosophy of time

Spring Equinox Approaches Spring Farming Busy

The spring equinox is the beginning of warmth

People also circulate

Many customs such as sending spring cows and eating spring vegetables

But why should an egg be erected at the vernal equinox?

School of Social Sciences, Beijing Normal University

Introduction by Xiao Fang, Director of the Department of Anthropology and Folklore

In fact, eggs can be erected in all seasons

The Spring Separation Egg embodies the idea of conforming to the times

It is a manifestation of harmony between man and nature

Spring has arrived, and the flowers have opened

May you live a long time and love

Source: CCTV News Client

Process editor: TF060