Upon all loins — All sorts of persons shall put on mourning. Baldness — Shaving the head and beard was a sign of the greatest sadness. A bitter day — A bitter day, which you shall wish you had never seen, shall succeed your dark night.
Related Commentaries of Amos 8:10
Amos 8:10
10 And I will turn your feasts into mourning, and all your songs into lamentation; and I will bring up sackcloth upon all loins, and baldness upon every head; and I will make it as the mourning of an only son, and the end thereof as a bitter day.