The ECTA Convention will be conducted every year at the fourth weekend in June (former date of the EAASDC/ECTA Summer Jamboree).
Alternative dates should be the last weekend in September or the second weekend in October.
| Year | ECTA Convention | Date GMM | 1st alternative Date | 2nd alternative Date |
| 2025 | October, 2. - 4. | October, 5. | not necessary (date fixed) | not necessary (date fixed) |
| 2026 | June, 25. - 27. | June, 28. | September, 24. - 27. | October, 8. - 11. |
| 2027 | June, 24. - 26. | June, 27. | September, 23. - 26. | October, 7. - 10. |
