| Flag | City | Country | School | Latitude (°) +N/-S | Longitude (°) +E/-W |
 | Alta Gracia | Argentina | Fundacion Caminos de Anisacate | -31.656 | -64.414 |
| Date | Gnomon height [cm] | Shadow length [cm] | Angle (°) |
| 04/10/2021 | 13 | -6.6 | -26.9 |
| 11/10/2021 | 13 | -6 | -24.8 |
| 13/10/2021 | 13 | -5.7 | -23.7 |
| 21/10/2021 | 13 | -4.8 | -20.3 |
