The following are non-working days for procedural purposes: Saturdays and Sundays, the days between 24 December and 6 January of the following year (both inclusive), national holidays, regional holidays in Madrid and public holidays. August is also a non-working month. (Acuerdo de 6 de julio de 2023, del Pleno del Tribunal Constitucional, por el que se establece el régimen de días inhábiles en los procesos constitucionales. BOE núm. 164, de 11 de julio).