Who will knock the first hammer?

Generally speaking, the first hammer of construction needs to be knocked by the owner.

Now we need to choose an auspicious day to start work, so we can check the old calendar directly, but after the date is determined, we still need to determine the start time first. Generally speaking, we can choose 8: 18, 9: 18 or 9:58 in the morning.

Matters needing attention: corresponding commencement ceremony should be carried out, for example, firecrackers should be set off in some places, and the formal commencement can only be started after the firecrackers are set off.