en_tn/mal/04/05.md

the coming of the great and fearful day of Yahweh

Here the occurrence of this day is spoken of as if it were coming. Alternate translation: "before the great and fearful day of Yahweh happens" (See: rc://en/ta/man/translate/figs-metaphor)

the great and fearful day of Yahweh

This expression refers to any time in which Yahweh acts decisively.