Sun, not shade

We analyze 550,000 buildings and 434,000 trees to show you which venues are sunny right now.

The Problem

Finding a sunny seat in Berlin is guesswork. You pick a café, walk there, and hope the terrace isn't in shadow. With dense buildings and trees, even locals can't predict which spots will be sunny an hour from now.

Our Solution

We use 3D building data from Berlin's official LIDAR survey and tree data from the city's tree registry (Baumkataster). Every night, our system calculates shadow patterns for the next 14 days, checking each venue every 5 minutes. The result: gold markers for sunny spots, gray for shaded ones.

The Data

550,000

Buildings

434,000

Trees

6,233

Venues

Daily

Updates

Data Sources

Building Data

Berlin 3D LoD2 city model with LIDAR-measured building heights. Licensed under dl-de/by-2.0.

View source

Tree Data

Berlin Baumkataster (tree registry) with species, height, and crown radius. Licensed under dl-de/by-2.0.

View source

Venue Data

OpenStreetMap venues with outdoor_seating=yes. Licensed under ODbL.

View source

Data licensed under Datenlizenz Deutschland - Namensnennung - Version 2.0 (dl-de/by-2.0) and Open Database License (ODbL).

Ready to find your sunny spot?

Find sunny spots

Have feedback or spotted a bug?

This is a hobby project built by one person. I'd love to hear your thoughts — whether it's a feature idea, a bug report, or just a kind word.