On the eighteenth day of the third lunar month, the zodiac is auspicious.

The "key words" related to decoration in the yellow calendar include "breaking ground" and "building", and "building" is more appropriate. March 18th of the lunar calendar is a good day, but the "key words" related to decoration on this day are only "breaking ground". March 22nd of the lunar calendar is also an auspicious day of the ecliptic. The situation of this day is shown in the following figure. The above is for reference only. I wish good people a safe life!