Visualize Sunlight in
Any Room, Any Time

Discover how window direction affects natural light in your space. Simulate sun paths, shadows, and daylight for any location on Earth.

Powerful Simulation Features

Everything you need to understand how sunlight moves through your space

Accurate solar calculations based on your exact location, date, and time. Watch the sun move across the sky in real-time.

Test different window directions and see how they impact natural light throughout the day and across seasons.

Simulate sunlight for any moment - from sunrise to sunset, across all seasons of the year.

Interactive 3D room view with realistic shadows and light beams. Rotate and zoom to explore from any angle.

Choose from thousands of cities worldwide or enter custom coordinates for precise location-based simulations.

Play an animated time-lapse to see how sunlight moves through your room throughout the entire day.

Start simulating sunlight in your space right now. No signup required.