| Deadline for submission of proposals for mini-symposia | 15 November 2026 |
| Notification of mini-symposium acceptance | 15 December 2026 |
| Deadline for abstract submission | 15 April 2027 |
| Notification of acceptance | 1 June 2027 |
| Deadline for early-bird registration and fee payment | 1 July 2027 |
| Deadline for registration and fee payment | 15 August 2027 |
| HFSS 2025 Conference | 13 – 17 September 2027 |
