What do you mean by setting off firecrackers on the sixth day?

According to the traditional custom in China, firecrackers are set off on the sixth day of the first month. The sixth day is the day when shops open. Setting off firecrackers symbolizes that this year's business will be prosperous, safe and prosperous.

On the sixth day of the first month, in the old society, it was the day when large and small businesses "opened the market", and red couplets of "opening the market and prospering everything" should be posted on the door panels. Therefore, shops and companies will set off firecrackers on the sixth day of the first month, hoping for a prosperous business in the coming year. Setting off firecrackers at home is also a hope for prosperity and financial resources.