Remembrance of God’s signs draws attention to creation, provision, the heavens, the earth, and human experience as evidence of divine power and wisdom. Remembrance of God’s days presents prophets and earlier communities to illuminate trial, obedience, rejection, deliverance, and consequences. Both guide the reader, but their evidential material differs.
Example 1: lifeless land revived by rain — a sign of divine power.
Example 2: a community rejects a messenger and faces consequences — a lesson from history.
When a narrative recurs, each presentation need not rehearse every detail. One passage can emphasize the invitation, another the opposition, and a third the deliverance. A change of focus is not by itself a factual contradiction.