早上 64x64 pixel art, solid gray background, hard edges, no...

早上 64x64 pixel art, solid gray background, hard edges, no anti-aliasing, flat colors, no text. A small sun half-risen above a flat horizon line, pale yellow with three short blocky rays upward, horizon glow in soft pink. Centered. 中午 64x64 pixel art, solid gray background, hard edges, no anti-aliasing, flat colors, no text. A full sun with eight short blocky rays evenly around, warm golden yellow. No horizon. Centered. 傍晚 64x64 pixel art, solid gray background, hard edges, no anti-aliasing, flat colors, no text. A sun touching a flat horizon, three horizontal rays, warm orange, sky above gradient from orange to soft purple. Centered. 晚上 64x64 pixel art, solid gray background, hard edges, no anti-aliasing, flat colors, no text. A crescent moon with three small blocky stars around, pale yellow moon, white stars. Centered.