| Flag | City | Country | School | Latitude (°) +N/-S | Longitude (°) +N/-S |
 | Méier | Brazil | Escola Municipal Bento Ribeiro | -22.904 | -43.280 |
| Date | Gnomon height [cm] | Shadow length [cm] | Angle (°) |
| 01/10/2021 | 54 | -23 | -23.1 |
| 03/10/2021 | 54 | -22 | -22.2 |
| 08/10/2021 | 54 | -19 | -19.4 |
| 13/10/2021 | 54 | -12 | -12.5 |
| 14/10/2021 | 54 | -14.5 | -15 |
| 15/10/2021 | 54 | -14 | -14.5 |
| 23/10/2021 | 54 | -11 | -11.5 |
