Sun, shade and sunlight

See where the Sun will be — before you build or plant

Calculate Sun position, shadow length and daily sunlight at a point. Compare obstacles, pergolas and design variants.

Quick shadow

Device location

Tools for the whole process

From a single moment to a full day and project comparison.

Sun position

Open the tool and get a result without an account.

No account

Data and projects stay in this browser.

Clear limits

The model excludes weather, seasonal foliage and full 3D geometry.

Reusable result

Save, compare and export variants.