An animated SVG scene depicts a sunset-to-sunrise cycle through a gradient sky and a moving sun. A radial gradient animates the sky’s color from aliceblue to indigo and back, while the sun’s vertical position oscillates via the `animate` element. Overlapping landscape paths use linear gradients and animated stop colors to shift their appearance, creating a rhythmic transition between day and night. The code relies solely on native SVG and SMIL animations, with no external JavaScript libraries.