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Sant Antoni

Sant Antoni is a local holiday in 23 municipalities in the Spanish working calendar; in 2026 the most common date is 17 January.

Level
Local holiday
Date 2026
Saturday 17 January
Municipalities
18
Residents · 2025 register
228,377
Where most
Illes Balears (14)
CEML
Mapa base: @svg-maps/spain · CC BY 4.0
fewermore municipalities

Verified data

Sant Antoni in the working calendar

In 2026, the dataset records Sant Antoni as a local holiday in 18 municipalities, accounting for 228,377 residents in the 2025 register. The most common date is 17 January 2026. 4 municipalities set it on another date.

This comparison uses only the official working calendars incorporated into the dataset for each year.

Demographic profile

Demographics of the covered population

Age, citizenship, birthplace and average-age structure from the 2025 Annual Population Census.

Women / men

50.1% / 49.9%

Aged 0–14

14%

Aged 15–64

68.2%

Aged 65+

17.8%

Foreign citizenship

19.6%

Born outside Spain

25.3%

Weighted mean age

42.8 years

How it differs from its surroundings

Comparison with Spain and with the aggregate of the 3 regions where it is observed. All five comparisons are population-weighted and use only the 2025 Annual Census. A positive sign means the covered population has a higher value than the benchmark.

Demographic profileCovered populationCompared with SpainCompared with its 3 regions
Aged 0–1414%+1.1 pp+0.7 pp
Aged 65+17.8%-2.9 pp-1.9 pp
Foreign citizenship19.6%+5.6 pp+0.4 pp
Born outside Spain25.3%+6 pp+0.3 pp
Weighted mean age42.8 years-1.8 years-1 years

The largest difference from Spain is in “Born outside Spain”: +6 pp.

Sex comes from the 2025 municipal register; all other metrics come from the 2025 Annual Census. Each percentage uses the total from its own statistical operation. INE municipal tables 68535 and 68541.

What is Sant Antoni

In the working calendar, Sant Antoni appears as a local holiday — not as a national or general regional holiday. Each municipality may set up to two local holidays a year; This dedication or name is one of those that most municipalities adopt (23 in the reference index).

In 2026, among the municipalities that record it, the most common date is 17 January. 1 municipalities set it on another date. The communities with the most records are the Balearic Islands and Catalonia. This page summarises the scope verified in the dataset; It does not add legends or local traditions that have not been checked. The details of each municipality keeps its official source.

When

Dates of Sant Antoni

In 2026 it falls on Saturday 17 January in most municipalities. 4 move it to another date (when it lands on a weekend or by local agreement).

YearMain dateMunicipalities
2024Wednesday, 17 January26
2025Friday, 17 January25
2026Saturday, 17 January18

Where it's a holiday

18 municipalities celebrate Sant Antoni

Its local holiday in 2026, by region. Each municipality links to its annual record and the available official source.

Together, they account for 228,377 residents in the INE municipal register at 1 January 2025.

FAQ

About Sant Antoni

When is Sant Antoni in 2026?

In 2026, Sant Antoni is mainly celebrated on 17 January 2026 (Saturday). Some municipalities move it to another date on the working calendar.

In how many municipalities is Sant Antoni a holiday?

It's a local holiday in 18 municipalities in 2026, accounting for 228,377 residents in the 2025 register; mostly in Illes Balears (14 municipalities).

Is Sant Antoni a national holiday?

No. Sant Antoni is a local-level holiday: it's only a non-working day in the municipalities that set it as their local festival; each keeps its official source.

Other holidays

Per-municipality data with its official source (regional gazette). Every date is verifiable on the municipality page. Data from festivos.io — CC BY 4.0.