Spanish holiday guide
Immaculate Conception
The Immaculate Conception (Inmaculada Concepción) on 8 December is a Catholic solemnity about Mary’s conception free from original sin and a Spain-wide public holiday.
What it means
It honours Mary’s unique grace from the first moment of her life; it is not the conception of Jesus.
Origin and history
Long devotion culminated in Pius IX’s 1854 definition (Ineffabilis Deus); Spain retains the day as a national labour holiday.
How it is observed in Spain
Masses and local Marian acts; national closures; Advent seasonal context.
Interesting facts
- Dogma of 1854; feast 8 December.
- Not the Annunciation or the Assumption.
- Strong Spanish artistic tradition (e.g. Murillo).

Public calendar
Check the 2026 dates
Holiday status depends on place. See the official calendar pages for the locations covered by this guide.