How does Apple 6 set the calendar to show 24 solar terms?

Apple 6 sets the calendar to display 24 solar terms as follows:

Step 1 Open the calendar, and click the calendar in the middle below.

Step 2: Select the holidays in China and click Finish.

Step 3: Return to the calendar interface, and click the date with a dot to view the solar terms.

Twenty-four solar terms are the product of traditional farming culture. Their emergence, development and dissemination have adapted to the needs of economic production and social life in the farming era, and played an extremely important role in the production and life of traditional China people.

First of all, the twenty-four solar terms are the basic time indicator of agricultural production activities in the traditional period, which is also the most basic function and value of the twenty-four solar terms in the traditional era. Agricultural production, as an economic production activity carried out by human beings according to natural rhythm and crop growth law, one of its most basic requirements is to grasp the agricultural time. As the saying goes, "Five grains can't beat grain unless the farming season goes against" (Mencius Liang Wang Hui).

Grasping the farming season is to follow the natural rhythm and carry out all aspects of agricultural production in turn according to the corresponding time points, such as arable land, sowing, irrigation, fertilization and harvesting.

Twenty-four solar terms, according to the annual return movement of the sun, can accurately reflect the climate change, precipitation and so on. Therefore, ancient ancestors used this as the basic basis for grasping different farming time points. As the saying goes, "Farming has no rules, and it all depends on solar terms."

In the long-term production development and historical accumulation, these agricultural knowledge related to solar terms have been summarized into simple and clear agricultural proverbs and passed down from generation to generation. For example, the agricultural proverb of planting wheat, which is widely circulated in North China, is "early dew, late cold dew, and the autumn equinox is the time to plant wheat". In fact, among all agricultural proverbs, agricultural proverbs related to the twenty-four solar terms account for the largest proportion.