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When is Constitution Day in 2026 in Spain?

Constitution Day 2026 is on Sunday, 2026-12-06

Constitution Day in Spain falls on Sunday, December 6, 2026. That is week 49 of 2026 (ISO week numbering), day 340 of the year. Locally it is also written as: Día de la Constitución.

Days until Constitution Day 2026

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Constitution Day by year in Spain

YearWeekdayDateISO week
2026Sunday2026-12-0649this page
2027Monday2027-12-06492027 page

Public holidays near this date in Spain 2026

DateDayHolidayDeducted from working days
2026-12-06SundayDía de la ConstituciónYes
2026-12-08TuesdayInmaculada ConcepciónYes

Working days around this holiday

The December 2026 business-days page shows the exact count of working days in the month this holiday falls in, with the holiday deducted and every remaining day listed. The full Spain 2026 holiday list marks whether this date is nationwide (Yes) or regional only.

How the date is verified: the date and weekday above are computed from the calendar, not typed in, and ISO week numbers follow ISO 8601 (weeks start Monday). You can reproduce both by checking that 2026-12-06 is a Sunday on any perpetual calendar.

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