| Result | Value |
|---|---|
| Pitch (front edge to front edge) | - |
| Clear gap (rear edge to next front edge) | - |
| Ground coverage ratio, L / pitch | - |
| Table rise | - |
| Sun elevation and azimuth from south | - |
| Pitch needed by the sun rule | - |
| Your pitch against the rule | - |
Flat ground or flat roof, rows level, facing the equator, 21 December (21 June in the southern hemisphere). Gap is measured horizontally. A design aid, not a shading simulation.