Qing Ming is one of the 24 solar terms in China. As the 24 solar terms objectively reflect the temperature, rainfall, changes in phenology over the year around, so people of ancient use it to arrange the working agricultural activities.
When the Chingming is coming, the temperatures will grow and the rainfall increase and it is also an excellent season for plowing and cultivating. So there is a saying that it is the best time for cultivating the melon and the bean, for forest planting during the time of Qingming. From this you can see the close relation between the solar term and the agriculture.
However, as a festival, Qing Ming is radically different from the pure solar terms different. Solar Terms in China are the signs of the change of phenology in seasonal sequence, while the festival will include a certain amount of customs activities with some commemorative significance.
Qing Ming Festival is one of the traditional festivals in China, and it is also the most important festival for sacrificing and the day for worshiping and graving. Most of the Han people and some ethnic minorities would grave in Qing Ming.
Ching Ming Festival, also known as a festival for a walk in the country in spring, According to the solar calendar, the festival is between April 4 and 6, when is the season full of beautiful green, and then people would have a spring tour (Outing in ancient times). Therefore, the ancients have the custom of hiking, and carrying out a series of sports practices.
Even today, the custom of worshiping and mourning the ancestors and the loved ones during Qing Ming Festival are still prevalent.