The opening of solar calendar refers to the opening of business. The opening of companies, line numbers and shops, the beginning of the Spring Festival and the opening ceremony of festivals are all called the opening of markets.

2. Openness generally refers to the beginning of an economic activity involving the economic field. Choosing a good day to start trading means that the market is open and everything goes well. Moreover, during the ancient Spring Festival, the fifth day of the first month was the holy day of the God of Wealth. Shops of all sizes closed together from the beginning of the Lunar New Year and opened on the fifth day of the first month.

The opening of the market is a sign that businesses start economic activities, which is of great significance to businesses. Usually, some ceremonies will be held during the opening of the market, such as ribbon cutting, dragon dancing and lion dancing.