Skip to content

Argentina National Day and the May Revolution

2026 holiday dates

Monday, 25 May 2026

Confirmed — source checked

This is the first listed date for this year; a separate observance date has not been assigned.

About National Day

Argentina’s National Day in English-language diplomatic usage is associated with 25 May, the Día de la Revolución de Mayo. The date commemorates the events of 1810 that produced the Primera Junta, Argentina’s First Patriotic Government; it is not Independence Day on 9 July.

Public holiday / closure dates

  • — Public of holiday period · Confirmed — source checked

Bank, office and school arrangements require the applicable authority or institution notice. Missing scope data does not mean open.

Next supported occurrence

Tuesday, 25 May 2027 · Estimated / awaiting confirmation

Next listed holiday day on or after today; this can be a closure day rather than the festival date.

2027 dates

  • — Public of holiday periodEstimated / awaiting confirmation

2028 dates

  • — Public of holiday periodEstimated / awaiting confirmation

Official sources and date status

Recorded confirmation and independent source review are shown separately. An institution-specific notice does not establish closure for every employer or school.

www.argentina.gob.ar

Official holiday calendar or legal framework

Confirmed · Scope: public · Checked 2026-09-30

Confirmed by the current official calendar or governing rule. Law 27.399, Decree 614/2025 and the official 2026 calendar govern transfers. Employer-discretionary tourist non-working days are excluded; the 9 November 2026 nationwide papal-visit holiday is included.

Office arrangements

Law 27,399 lists 25 May as an immovable national holiday. Employers and workers should confirm any essential-service or continuous-operation rules that apply to their organisation.

Bank arrangements

The BCRA includes May Revolution Day in its 2026 financial-institution holiday list. Bank customers should consult the current annual calendar when planning staff-assisted transactions.

School arrangements

The events of 1810 have clear educational relevance, but the sources reviewed do not establish every school’s ceremony or timetable. Families and staff should follow their institution’s calendar.

History

During the Semana de Mayo in 1810, political pressure in Buenos Aires led to the resignation of Viceroy Baltasar Hidalgo de Cisneros. On 25 May, the Primera Junta was established with Cornelio Saavedra as president. Official Argentine history describes this as the beginning of a longer path toward independence and national organisation.

Why it matters

The holiday remembers the first patriotic government and the assertion of popular sovereignty during the May Revolution. It marks the opening of the revolutionary process, whereas 9 July commemorates the formal declaration of independence six years later.

Observance

Official commemorations refer to 25 May as Día de la Patria and may centre on the May Revolution, the Cabildo and the Primera Junta. The programme changes by year and location; current government or municipal announcements are the proper source for a particular ceremony.

Travel and planning

Visitors interested in public commemorations should consult the announced programme for the relevant city. A national historical date does not by itself establish a uniform transport change.

Frequently asked questions

What is Argentina’s National Day?

In English-language diplomatic usage, Argentina’s National Day is associated with 25 May and the May Revolution.

What happened on 25 May 1810?

Viceroy Cisneros resigned and the Primera Junta, regarded as the First Patriotic Government, was established.

Is 25 May Argentina’s Independence Day?

No. The May Revolution began the political process; Independence Day commemorates the declaration of 9 July 1816.

Is 25 May a national holiday?

Yes. Law 27,399 lists Día de la Revolución de Mayo as an immovable national holiday.

View all Argentina public holidays 2026

Holiday guides

Holiday Tools

View all tools →