When does beginning of spring start and end?

Spring starts and ends at different times every year.

Climatic characteristics of solar terms in beginning of spring

During the solar term in beginning of spring, the biggest feature of the climate is that it turns warm at first, and then turns cold. First, the temperature difference between day and night is large, and cold air activities are frequent. In spring, due to the invasion of cold air, the temperature is obviously reduced, and it is often sunny during the day, which makes people feel that warm wind makes tourists intoxicated, but it is chilly in the morning and evening, which makes people feel "chilly in spring".

Beginning of spring is a time point or period. China tradition divides beginning of spring's Tenth Five-Year Plan into three periods: "The east wind thaws, the insects start to vibrate, and the fish get cold", which means that the east wind warms and the earth begins to thaw. "beginning of spring solar terms, westerly jet, the southern branch of East Asia, has begun to weaken, and the winter climate is coming to an end.

What is the solar term temperature in beginning of spring?

Beginning of spring is not only the first of the 24 solar terms in the Ganzhi calendar, but also in nature and people's minds, spring means mild weather, flowers and birds, and it also means the growth of everything and the sowing in spring. The so-called "one year's plan lies in spring". In climatology, spring refers to the period when the average temperature is between 10℃ and 22℃. Speaking of beginning of spring, people obviously feel that the days are getting longer and the sun is getting warmer. Temperature, sunshine and rainfall are often at the turning point of the year and tend to rise or increase.

However, the intensity and location of the northern branch of westerly jet remain basically the same, the Mongolian cold high and Aleutian low are still relatively strong, and gale cooling is still the prevailing main weather. However, during the intermission under the influence of strong cold air, the frequency of southerly winds increases, accompanied by an obvious warming process. Spring rain surprises spring and bright valley days, and summer is full of mans and summer heat is connected; Autumn dew, autumn frost, little snow in winter and cold in winter. The solar term song, which is well known to China people, implies the order of the 24 solar terms.