The labor calendar for December 2026 will bring a significant difference among Spanish workers. The traditional Constitution and Immaculate Conception long weekend will allow citizens in certain territories to enjoy four consecutive days of rest, while in others, Monday, December 7, will be a working day.
The reason is that this year Constitution Day, celebrated every December 6, falls on a Sunday. Given this situation, autonomous communities can decide whether to move the holiday to the following Monday or replace it with another holiday specific to their labor calendar. According to the list of public holidays published in the Official State Gazette (BOE), nine autonomous communities and the autonomous city of Melilla have chosen to move the holiday to Monday, December 7. This way, their workers will be able to combine Saturday, December 5, Sunday, December 6, Monday, December 7, and Tuesday, December 8.
Meanwhile, December 8, Immaculate Conception Day, will be a holiday throughout Spain as it is a non-substitutable national holiday. This means that, regardless of the territory, all workers will be entitled to that day of rest, although not all will be able to enjoy a four-day long weekend.
Where will Monday, December 7, be a holiday and which communities will have a long weekend?
The territories that have decided to move the Constitution Day holiday to Monday, December 7, are Andalusia, Aragon, Asturias, Cantabria, Castile and León, Extremadura, Community of Madrid, Region of Murcia, and La Rioja. To these nine communities, Melilla is added.
In all these territories, Monday, December 7, will be a holiday and will allow for four consecutive days of rest, from Saturday, December 5, to Tuesday, December 8. Conversely, Monday, December 7, will be a working day in the following communities and autonomous cities:
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Balearic Islands.
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Canary Islands.
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Castile-La Mancha.
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Catalonia.
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Galicia.
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Navarre.
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Basque Country.
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Valencian Community.
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Ceuta.
In these territories, workers will have to go to their workplaces on Monday, December 7, although they will be able to enjoy Tuesday, December 8, as a national holiday.
Tuesday, December 8, will be a holiday throughout Spain for the Immaculate Conception
The second important date on the December labor calendar will be Tuesday, December 8, when the Day of the Immaculate Conception is celebrated. This holiday is recognized as a non-substitutable national holiday, so it is maintained in all autonomous communities and autonomous cities.
The difference will therefore lie in the possibility of enjoying a longer break. While in the territories that have moved the holiday from the 6th to Monday the 7th there will be four consecutive days without ordinary work activity, in the rest of Spain the break will be limited to Tuesday, unless workers request a day off or have other working conditions.
In this way, the December long weekend of 2026 will again be conditioned by the decisions of each autonomous community regarding its holiday calendar. A distribution that will allow some workers to advance their Christmas holidays with four days of rest, while others will have to wait for the next holiday to enjoy a day off.
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