| City | Country | School | Latitude (°) +N/-S | Longitude (°) +E/-W |
| Méier | Brazil | Escola Municipal Bento Ribeiro | -22.904 | -43.280 |
| Date | Gnomon height [cm] | Shadow length [cm] | Angle (°) |
| 01/04/2025 | 18.0 | -8.0 | -24.0 |
| 02/04/2025 | 18.0 | -8.0 | -24.0 |
| 03/04/2025 | 18.0 | -8.0 | -24.0 |
| 08/04/2025 | 20.0 | -9.0 | -24.2 |
| 09/04/2025 | 20.0 | -10.0 | -26.6 |
| 15/04/2025 | 20.0 | -11.0 | -28.8 |
| 17/04/2025 | 20.0 | -11.0 | -28.8 |
| 18/04/2025 | 20.0 | -11.0 | -28.8 |
| 23/04/2025 | 18.0 | -12.0 | -33.7 |