en_tn/isa/24/21.md

On that day

"At that time"

the host of the heaven

A host is an army. Here "the host of the heaven" refers to the many powerful spirits in the heavens. It can be stated clearly that they are evil. AT: "the powerful beings" or "the evil spiritual beings" (See: rc://en/ta/man/translate/figs-explicit)

in the heavens

"in the sky"