Try a daybreak excursion to beat the crowds, watch light spill over the caldera
https://collinitvn271.lumenforgex.com/posts/santorini-day-tour-itinerary-a-perfect-one-day-plan-to-see-the-island-s-top-highlights
Try a dawn travel to beat the crowds, watch easy spill over the caldera, and seize serene streets previously the island wakes up.