Today is the 10th of the 24 solar terms, the summer solstice. The summer solstice is the longest day in the northern hemisphere. Do you know why? 'the days are long to the summer solstice and short to the winter solstice. June 21 will usher in the 'Summer Solstice'. Astronomy experts said that the sun almost hit the Tropic of cancer on this day, which is the longest day of the year in the northern hemisphere. And the longer the day goes to the north, the greater the wonder of "standing pole without shadow" will appear in the Tropic of cancer area.
The longest day of the year in the northern hemisphere
At noon on the summer solstice, there will be a & lsquo; standing pole without shadow & rsquo; Spectacle in the area on the Tropic of cancer. The interested public can try & lsquo; how the sun turns & rsquo;. "Zhao Zhiheng reminds me.
It is an important custom in many areas of our country to eat 'summer solstice noodles' on the day of' winter solstice dumplings and summer solstice noodles'. Folklore experts said that the reason why we eat noodles is to get a good head color. In addition, it also reminds us to pay attention to the meaning of heatstroke prevention. (this article is exclusively compiled by WYH, editor of sihai.com. If you need to reprint it, please indicate the source and source. Related article link: http://www.4hw.com.cn/life/jieri.html)
What does Xiaoshu mean?
Xiaoshu is the 11th solar term of the 24 solar terms in the lunar calendar, and the fifth solar term in summer, indicating the official start of the season of summer; when the sun reaches 105 degrees in the Yellow meridian, it is called Xiaoshu solar term. Heat, which means heat, is not very hot. It means that the weather starts to be hot, but it is not the hottest yet. Most parts of the country are basically in line. All the crops in the country have entered the stage of vigorous growth, so it is necessary to strengthen the field management.