Is the solar term forecast accurate?

Words summarized according to relevant factors.

What does it mean to have nine cold days? How to explain scientifically? In fact, it is a winter solar term, and the ancients counted the number of days in winter from the winter solstice. Every 9 days is a meaningful day? Nine? Nine? Count to nine? In 8 1 days, spring is coming.

The ancients thought that winter was too long, called? Count to nine? Cold weather, in culture, nine? Represents the ultimate meaning, of course, you can also play it? Nine? Understand as? Most? Cold weather is the coldest time of the year.

This year? Count nine cold days? When did it start? Actually, it's not difficult The date is the same every year, and the countdown begins on the solstice in winter. This year's winter solstice, 65438+February day, 2 1, which day does it start? Nineteen? . From the penultimate day, the weather will gradually get cold. ? It's cold on March 9? , what else? Three, nine, four, nine, frozen dog? As the saying goes. What does that mean? Sanjiu? And then what? 49? Is it the coldest? Sanjiu? And then what? 49? Basically, it will overlap with the solar terms of great cold and slight cold. In terms of date, the coldest time on March 9 this year is 65438+1October 8-next year 16, and the range on April 9 is 65438+1October 17? The 25th.

Why? Sanjiu? And then what? 49? What is the coldest? From winter to the future, the northern hemisphere has the shortest sunshine time in a year, and the ground receives the least heat. At this time, the height of the sun will gradually increase, but the amplitude will immediately decrease. The light and heat brought by the day are more dissipated than at night. Sanjiu? And then what? 49? When the heat is the least, the Siberian cold current enters and is the most active, so it is the coldest at this time. The difference between north and south is reflected in the coverage of time difference. In the north? Sanjiu? Coldest, south, coldest? 49? . It was said a while ago that this year is the coldest winter, so how cold is this winter?

After winter, after the cold wave, the temperature is indeed lower than in previous years. It is predicted in August that La Nina will appear in winter and reach its peak in winter.