A colossal ancient stone calendar emerges from a misty highland plateau at blue hour, massive weathered granite monoliths arranged in sacred solstice alignment piercing deep indigo and soft violet pre-dawn sky. Volumetric silver-blue moonlight rays illuminate intricate astronomical carvings, ethereal fog rolling between towering stones. Deep obsidian, mystic violet and silver-white palette, epic cinematic wide shot, spiritual timekeeping meets celestial mystery, 8K digital art