- 14/05/2025 – Opening of submissions
- 16/07/2025 – Deadline for paper and project submissions
- 12/09/2025 – Announcement of submission results
- 12/09 a 29/09/2025 – Registration period for approved papers
- 12/09 a 29/09/2025 – Registration period for volunteer collaborators at the XXVIII SemeAd
- 12/09 a 31/10/2025 – General registration period for the XXVIII SemeAd
- 20/10/2025 – Announcement of the general schedule of the XXVIII SemeAd
- 10/11/2025 a 14/11/2025 – Event dates
