The opening process of the restaurant is geomantic omen. What matters need to be paid attention to that day, and is it necessary to worship?

Hello, this whole process is very troublesome, but it will be very effective. The first is to clean the house, the second is to decorate the interior of the house, that is, the third is to choose an auspicious day to open the light, and the auspicious day chosen is different according to the owner's genus.