Does it matter if the company starts on the tenth day and goes to the construction site on the ninth day?

It depends on the requirements of the construction company. If the construction company wants to start construction on the tenth day of the first month, all construction teams must go to the site on the ninth day of the first month to prepare for the next day's construction. Is it okay to go on the ninth day? It depends on the requirements of the construction company.

Extension: The ninth day of the first month, commonly known as Born in Heaven, is one of the traditional lunar festivals in China. This is the birthday of the Jade Emperor, the highest priest in the sky. Tiangong is the Jade Emperor and the highest god who dominates the heaven. He is the supreme god who commands the ten gods inside and outside the three realms and all the gods on the earth, representing the supreme heaven. In the traditional folk custom of this day, women prepared incense sticks and lent bowls, and put them in the open air at the entrance of patio lane to pray for God's blessing, which pinned the good wishes of the working people in China to avoid disasters and pray for blessing.

Judging from the ninth day of the ninth lunar month, it is still very suitable for opening. The first day of the first lunar month was originally a good day for opening. People travel more frequently at this time, so the market is more lively at this time. Choosing to open a business at this time can make a good publicity for the store and make the future operation of the store more smooth.