What festival is February 2nd? Why do you want a haircut?

It is said that a haircut on this day can bring good luck for a year. Of course, it's just an auspicious word that a haircut can bring good luck. In fact, the lunar calendar "February 2" is mostly around the "rain" of the 24 solar terms. After the "rain" festival, the phenomenon of little rain in winter will come to an end, and the rainfall will gradually increase, so there are "February 2, the dragon looks up; A big warehouse full, a small warehouse flow. As for getting a haircut on February 2, I used to be busy. Farmers can only relax during the Lunar New Year, which starts on the 23rd of the twelfth lunar month and ends on February 2nd. After February 2, farmers will be busy with spring sowing, so they quickly shave their heads and get a haircut to prepare for new farming. Over time, the tradition of getting a haircut on February 2 was formed. The second day of the second lunar month is commonly known as the day when dragons look up. The Book of Changes records that before this day, although it was spring, it was still in a dormant state, which was called "Hidden Dragon in the Deep". After this day, the yang is rising and the spring is faintly visible, so there is a saying that "seeing the dragon in the field". As the name implies, the dragon appeared and everything began to emerge. On this day, the winter jasmine in the north began to smile, as if to tell people that spring has really come. According to legend, Wu Zetian stood on her own feet in the Zhou Dynasty and proclaimed herself emperor in the south. The Jade Emperor ordered the Dragon King not to rain for three years. The dragon king is kind. He can't bear to see creatures suffer. He was willing to go against his will, and it rained heavily. The jade emperor was furious and was punished for running over the mountain. Later, because the people prayed for him every day, they moved the Jade Emperor and released the Dragon King. This day happens to be February 2. Thus, there is the allusion of "On February 2nd, the dragon looked up".