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San Tirso

San Tirso is a local holiday in 6 municipalities in the Spanish working calendar; in 2026 the most common date is 24 January.

Level
Local holiday
Date 2026
Wednesday 28 January
Municipalities
6
Residents · 2025 register
4,330
Where most
Castilla y León (4)
CEML
Mapa base: @svg-maps/spain · CC BY 4.0
fewermore municipalities

Verified data

San Tirso in the working calendar

In 2026, the dataset records San Tirso as a local holiday in 6 municipalities, accounting for 4,330 residents in the 2025 register. The most common date is 28 January 2026. 3 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

48.1% / 51.9%

Aged 0–14

7.2%

Aged 15–64

55.6%

Aged 65+

37.2%

Foreign citizenship

4.6%

Born outside Spain

6.4%

Weighted mean age

55.1 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 0–147.2%-5.7 pp-5.2 pp
Aged 65+37.2%+16.5 pp+14.7 pp
Foreign citizenship4.6%-9.5 pp-9.8 pp
Born outside Spain6.4%-12.8 pp-13.6 pp
Weighted mean age55.1 years+10.5 years+9.5 years

The largest difference from Spain is in “Aged 65+”: +16.5 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 San Tirso

In the working calendar, San Tirso 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 most often adopted (6 in the reference index).

In 2026, among the municipalities that record it, the most common date is 24 January. 3 municipalities set it on another date. The communities with the most records are Castile and León and Galicia. This page summarises the scope verified in the dataset; it does not add legends or local traditions that have not been checked. Each municipality's detail keeps its official source.

When

Dates of San Tirso

In 2026 it falls on Wednesday 28 January in most municipalities. 3 move it to another date (when it lands on a weekend or by local agreement).

YearMain dateMunicipalities
2024Monday, 2 September3
2025Tuesday, 28 January5
2026Wednesday, 28 January6

Where it's a holiday

6 municipalities celebrate San Tirso

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

Together, they account for 4,330 residents in the INE municipal register at 1 January 2025.

FAQ

About San Tirso

When is San Tirso in 2026?

In 2026, San Tirso is mainly celebrated on 28 January 2026 (Wednesday). Some municipalities move it to another date on the working calendar.

In how many municipalities is San Tirso a holiday?

It's a local holiday in 6 municipalities in 2026, accounting for 4,330 residents in the 2025 register; mostly in Castilla y León (4 municipalities).

Is San Tirso a national holiday?

No. San Tirso 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.