eTwinning and eTwinning+ schools (8)
| Aigio | Athens | Lafrançaise | Busteni | Mărgineni | Mohammedia | Bizerte | Irbid |
America (9)
| Rio de Janeiro CENOM | Guarne | Alta Gracia | Chivilcoy | Rio de Janeiro Méier | Pelotas | Santarém | Bayamón | Magalhães Bastos |
On june solstice the Sun at the vertical of Cancer Tropic at solar noon
All the measures on 20 and 21 june are available
The calculations are made with the Cancer tropic
