Actualizar horario Santiago y subtítulo para charla/taller

Horario Santiago a corregir:

<img width="670" height="164" alt="Image" src="https://github.com/user-attachments/assets/036154bb-d540-4483-a3ae-7c47ee4beff8" />

Subtítulo a corregir:

<img width="600" height="124" alt="Image" src="https://github.com/user-attachments/assets/7260b565-03e2-4d08-969b-b9be45553d81" />