Monday after Constitution Day 2026 in Spain: date and where it applies

As of Oct 27, 2026, 16:26 Madrid time (CET): Monday after Constitution Day 2026 falls on Monday, December 7, 2026, per the BOE's official 2026 working-holidays schedule. It is a holiday in 10 of the 19 communities and autonomous cities. With national holidays only, December has 21 business days. It is a weekday, so it affects the work calendar.

Published: October 27, 2026, 16:26 (Madrid time, CET) · Data updated: October 27, 2026, 16:26 (Madrid time, CET)

Primary source

Data transcribed from these sources on: October 27, 2026.

Key facts

Date: Monday, December 7, 2026
Where it is a working holiday: 10 of the 19 communities and autonomous cities: Andalusia, Aragon, Asturias, Cantabria, Castile and León, Extremadura, Community of Madrid, Region of Murcia, La Rioja, Melilla
Resolution (BOE, in Spanish): Resolución de 17 de octubre de 2025, de la Dirección General de Trabajo, por la que se publica la relación de fiestas laborales para el año 2026.
Business days in December (national holidays only): 21

What it affects

Source: the working-holidays schedule published in the BOE; each community may add local holidays in its own calendar.
To count business days for your community, use the business-days calculator (BOE holidays).
Not listed as a holiday in: Balearic Islands, Canary Islands, Castilla-La Mancha, Catalonia, Galicia, Navarre, Basque Country, Valencian Community, Ceuta.

Extended data

Measure	Value	Source
Date	Monday, December 7, 2026	Resolución de 17 de octubre de 2025, de la Dirección General de Trabajo, por la que se publica la relación de fiestas laborales para el año 2026.
Communities where it is a working holiday	10 / 19	Resolución de 17 de octubre de 2025, de la Dirección General de Trabajo, por la que se publica la relación de fiestas laborales para el año 2026.
Weekdays (Mon–Fri) in December	23	calendar
National holidays on a weekday	2	Resolución de 17 de octubre de 2025, de la Dirección General de Trabajo, por la que se publica la relación de fiestas laborales para el año 2026.
Business days (national holidays only)	21	formula

Formula: business days = weekdays (Mon–Fri) − national holidays that fall on a weekday

Worked example: December 2026: 23 − 2 = 21

Community / autonomous city	Working holiday?
Andalusia	yes
Aragon	yes
Asturias	yes
Balearic Islands	no
Canary Islands	no
Cantabria	yes
Castilla-La Mancha	no
Castile and León	yes
Catalonia	no
Extremadura	yes
Galicia	no
Community of Madrid	yes
Region of Murcia	yes
Navarre	no
Basque Country	no
La Rioja	yes
Valencian Community	no
Ceuta	no
Melilla	yes

Questions

What day is Monday after Constitution Day in 2026?

Monday, December 7, 2026.

Where is it a holiday?

10 of the 19 communities and autonomous cities: Andalusia, Aragon, Asturias, Cantabria, Castile and León, Extremadura, Community of Madrid, Region of Murcia, La Rioja, Melilla.

Where does the data come from?

From the Dirección General de Trabajo resolution published in the BOE (linked under Official sources).

Tools using this data

Automated page built from the official sources listed. Dates and rules were checked on the date shown; confirm with the source before relying on them for legal, payroll or travel decisions.