Each phase of the golden hour window offers distinct prompting opportunities. Pre-dawn blue hour delivers cool pastels and mystery. The exact moment of sunrise brings the longest shadows and purest warmth. Peak golden hour saturates everything in amber and gold. Dusk afterglow paints the sky with purple and orange gradients after the sun has set.
Key insight: Specifying the exact phase of golden hour dramatically affects results. "At golden hour" is vague—"at the exact moment of sunrise with long dramatic shadows" is precise.