Does the opening ceremony depend on the date?

Opening is an auspicious choice. The ancient book called "Opening the Market" was listed as one of the main folk activities in Hee Sa Flat House Book.

First of all, choose the day and auspicious time suitable for "opening the market". Secondly, the branch of choosing a day cannot conflict with the branch of the party's birth year. For example, Jiazi Day is suitable for "opening the market", and the party concerned was born in Bingwu. Because of the meridian collision, people born in the year of Bingwu can't choose Jiazi Day to open the market.