| Monday, 9 February 2026 |
Application for participation opens |
| Monday, 15 June 2026 |
Deadline for application |
| Late June / Early July 2026 |
Communication of acceptance (and further instructions) |
| Tuesday, 15 September 2026 |
Deadline for full (early bird) registration payment - 550 € |
| Tuesday, 15 September 2026 |
Deadline for participation in the outreach contest |
| Tuesday, 15 October 2026 |
Deadline for full (late) registration payment - 650 € |
| Friday, 13 November 2026 |
Deadline for submission of online posters |
| Monday, 16 November to Friday, 27 November 2026 |
Lectures, tutorials and academic/social activities |
| Wedneday, 18 November 2026 |
Visit to Observatory of El Teide |
| Thursday, 19 November 2026 |
Winter School dinner |
| Saturday, 21 November 2026 |
Visit to Observatory of Roque de los Muchachos, La Palma (not included in the fee) |
| Tuesday, 24 November 2026 |
Public talk at the Museo de la Ciencia y el Cosmos |
| Thursday, 26 November 2026 |
Astronomy on Tap (Astrotragos) outreach event |