What day does the heavy mourning in Feng Shui mean?

It's a heavy loss to be seven jiageng, twenty-eight-year-old Yixin, forty-year-old Bingren and fifty-one-year-old Ding Gui. Heavy mourning means that if someone dies on the first day of January or July, boxer's day, the second day of February or August, or chooses to bury his ancestors on the first day, boxer's day, second day and symplectic day of February or August, it is a heavy mourning. The day of mourning means that someone will die at home, so most people will not choose to attend the funeral and bury the remains of their ancestors on the day of mourning.