【立春】 Spring Begins

不仅是二十四节气中的第一个节气，而且还是一个重要的节日。在天文意义上它标志着春季的开始。每年2月4日或5日太阳到达黄经315°时为立春。古籍《群芳谱》中这样解释的：“立，始建也。春气始而建立也。”立春期间，气温、日照、降雨，开始趋于上升、增多。但这一切对全国大多数地方来说仅仅是春天的前奏，春天的序幕还没有真正地拉开。自秦代以来，我国就一直以立春作为春季的开始。立春是从天文上来划分的，而在自然界、在人们的心目中，春是温暖，鸟语花香；春是生长，耕耘播种。在气候学中，春季是指候（5天为一候）平均气温10℃至22℃的时段。

Spring Begins is not only the first solar term in the 24 solar terms, but also an important festival. It marks the beginning of spring in an astronomical sense. Spring begins on February 4 or 5 every year when the sun reaches the longitude of 315°. The ancient book Qunfang Pu explains it this way: "To establish, to build." Spring begins to build also." During the beginning of spring, the temperature, sunshine and rainfall tend to rise and increase. But all this is just a prelude to spring in most parts of the country, and it hasn't really kicked off yet.

Since the Qin Dynasty, the beginning of spring has been taken as the beginning of spring in our country. The beginning of spring is divided from astronomy, and in nature and people's minds, spring is warm, birds and flowers; Spring is growth, ploughing and sowing. In climatology, spring refers to the period of the average temperature of 10℃ to 22℃ in the pentad (5 days for one pentad).
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