What is the scientific basis for saying that noodles can be lined up one day from winter to Sunday?

Before and after the heavy snow, the winter solstice solar term in 24 solar terms is coming. The weather has become colder and colder since the winter, especially in March and September, and the temperature is low, which is very difficult for the elderly and children. There is a saying among the people: eat noodles on the solstice in winter, and line up one line a day? What do you mean? What is the scientific basis of this sentence?

So-called? Eat winter solstice noodles and line up one line a day? On the day of winter solstice, it is highly valued in farming society. Food is the most important thing for people, and people will celebrate the arrival of the winter solstice with all kinds of delicious food. For example, in the north, jiaozi and noodles are eaten on the solstice in winter, while wonton is eaten in the south.

From the solstice of winter, the days get longer and the nights get later. There is no equipment to record time in farming times, and people speculate by the height of the sun and the illumination of the sun. Generally speaking, in fact: eating noodles on the solstice in winter, one line grows a day? It's about the solstice in winter. It gets dark and the dawn is earlier than the day before yesterday. So what does the first line mean? What is the scientific basis of this sentence?

In the past, clothes and shoes were all sewn by hand. In winter, during the slack season, I will make clothes or sew shoes. In this process, the length of the thread is 1 m, and sewing takes about 5 to 10 minutes. After the solstice in winter, I will spend more time sewing clothes every day than before. After the winter solstice, the long line that was broadcast immediately before was the reverse paste method, and now the long line is 1. Refers to the shadow of the sun on the window at sunset, describing the short days and long nights. From the solstice of winter, the days are getting longer and longer, and the nights are getting shorter and shorter until? Summer Solstice? .

On the solstice of winter, the sun shines directly on the tropic of Capricorn in the southern hemisphere, and the days in the northern hemisphere are the shortest and the nights are the longest. After the winter solstice, pointing to the northward movement, the days in the northern hemisphere gradually become longer and longer, that is to say, every day is extended by one and a half minutes. A long queue a day is a common saying, which means that the days are long and the nights are short. This sentence of the ancients has certain scientific truth and is also a hobby for astronomers to gain experience.

Therefore, it is such a scientific truth that on the solstice of winter, after eating noodles, one line is arranged every day.