You may query the events highlighted in the AGENDA section. However, here you can get an idea of the annual calendar of the shopping fairs:

MARCH: Stock Day (discounts, promotions, live music)

APRIL: Medieval Market in Holy Week

MAY: Feria de Asociaciones (Associations Fair)

OCTOBER: Natural Foods Fair and Stock Day

DECEMBER: Feria del Juguete Antiguo y del Coleccionismo (Antique Toy and Collectors Fair), Medieval Market and Noche de la Luz (Night of Light).