Observance guideSource-backed

Independence Day / Proclamation anniversary2026 · Date · History

Indonesia State Secretariat and official presidential holiday regulations verify the August 17 Proclamation anniversary, annual state ceremony and national-holiday framework.

Annual dateReviewed 2026-10-02Sensitive topic

About Independence Day / Proclamation anniversary

Indonesia Independence Day is observed on August 17, the anniversary of the Proclamation of Independence in 1945.

The State Secretariat documents the annual national ceremony, while presidential holiday decrees separately establish August 17 within the national-holiday framework.

Why Independence Day / Proclamation anniversary matters

August 17 commemorates the Proclamation of Independence read by Sukarno and Mohammad Hatta in Jakarta in 1945.

The historical proclamation, later statutory/administrative holiday recognition and modern annual ceremonies are distinct provenance layers.

History of Independence Day / Proclamation anniversary

On August 17, 1945, Sukarno read the Proclamation of Independence with Mohammad Hatta in Jakarta.

Presidential Decree No. 121 of 1963 listed the Proclamation of Independence on August 17 among national holidays.

Presidential Decree No. 8 of 2024 continues to list the August 17 Proclamation of Independence in the national-holiday framework.

In 2026 the State Secretariat organized the 81st Independence anniversary ceremonies for August 17.

Institutional timeline

How the observance developed

This timeline uses documented milestones from reviewed sources. Missing stages are left out rather than guessed.

  1. Recognition

    Listed the Proclamation of Independence on 17 August among national holidays.

    President of Indonesia · Presidential Decree No. 121 of 1963

  2. Superseding Instrument

    Provides the current presidential national-holiday framework and continues 17 August as the Proclamation of Independence holiday.

    President of Indonesia · Presidential Decree No. 8 of 2024

  3. Current stewardship

    Ministry of State Secretariat / Government of Indonesia

    The State Secretariat publishes and coordinates the official annual Independence anniversary programme and state ceremony.

Origins & establishment

What the evidence establishes

Evidence & sources ↓

Confirmed institutional roles and milestones are shown first. Details that could not be established from the reviewed sources are listed separately below.

Current facilitator / coordinatorMinistry of State Secretariat / Government of IndonesiaThe State Secretariat publishes and coordinates the official annual Independence anniversary programme and state ceremony.
Why this exact date?August 17 commemorates the Proclamation of Independence on 17 August 1945.State Secretariat history and current annual-ceremony material directly connect the date to the proclamation.
7 fields not established in reviewed sources
Originator / proposerThis is a national independence commemoration rather than a creator-led campaign.
Proclaiming / establishing bodyThe reviewed sources establish the 1945 proclamation and later holiday decrees but do not prove which authority first created the recurring annual Independence Day observance as a separate lifecycle act.
Original establishing instrument / decisionThe 1945 Proclamation and later presidential holiday decrees are not conflated with an unresolved original recurring-holiday instrument.
Original instrument adoption / decision dateNo original recurring-holiday instrument adoption date is established.
First observanceThe 1945 proclamation ceremony is the historical event, but the reviewed sources do not explicitly identify the first recurring annual anniversary observance.
Former nameNo formal former recurring name is established.
Former dateNo former recurring date is established.

Later institutional actions

Later recognition, renaming, mergers or date changes are kept separate from original establishment.

RecognitionListed the Proclamation of Independence on 17 August among national holidays.President of Indonesia · Presidential Decree No. 121 of 1963 · 1963The official regulations database reproduces the decree and its holiday list.
Superseding InstrumentProvides the current presidential national-holiday framework and continues 17 August as the Proclamation of Independence holiday.President of Indonesia · Presidential Decree No. 8 of 2024 · 2024The official regulations database reproduces the current decree.
Source qualityHigh confidence
4 Primary institutional / legal
View all sources ↓
Names

Also known as

Indonesia independence day

How to Observe Independence Day / Proclamation anniversary

01

Use August 17 for Indonesia Independence Day and the Proclamation anniversary.

02

Use State Secretariat history for the 1945 proclamation chronology.

03

Keep later holiday decrees separate from the proclamation itself.

04

For annual ceremony logistics or temporary administrative measures, consult current State Secretariat guidance.

Independence Day / Proclamation anniversary Facts

Fact 01

Indonesia Independence Day is August 17.

Fact 02

The date marks the Proclamation of Independence on August 17, 1945.

Fact 03

Official state ceremonies continue annually on August 17.

Fact 04

Presidential holiday decrees recognize August 17 as a national holiday.

Fact 05

The proclamation event and later public-holiday framework are separate evidence layers.

Classification

Topic and context

Civic, Remembrance & History →
Accuracy notes

What this page does not assume

  • Keep the source-defined country, community, organizer or institutional scope; do not silently broaden it.
  • Do not treat the title alone as proof of government recognition or public-holiday status.
  • Do not add a creator, founding story or origin claim unless the supporting evidence establishes it.
  • Remembrance Civic Context Care.
Evidence

Evidence & sources

Source policy →

Sources used across the guide are gathered here. Labels show how each source supports the page, and contextual references are kept separate from primary evidence.

Questions & connections

Understand it, compare it, then explore further

Start with the most common factual questions, then compare closely related observances and explore useful connections.

Reader questions

Frequently asked questions

When is Independence Day / Proclamation anniversary?

17 August The documented recurrence rule is: 17 August.

Does Independence Day / Proclamation anniversary fall on the same date every year?

Yes. It uses a fixed annual date unless stronger evidence changes the pattern.

Is Independence Day / Proclamation anniversary an official public holiday?

The reviewed sources verify it within this scope: Indonesia. That recognition does not by itself make it a statutory public holiday; the site only makes public-holiday claims when reliable evidence explicitly does so.

Who established or recognizes Independence Day / Proclamation anniversary?

The documented basis is: Indonesia State Secretariat and official presidential holiday regulations verify the August 17 Proclamation anniversary, annual state ceremony and national-holiday framework.. Supporting evidence includes Indonesia State Secretariat — 2026 Independence Month agenda and 17 August state ceremony. The site does not infer a separate creator or founder unless reviewed evidence establishes one.

Is Independence Day / Proclamation anniversary international or country-specific?

This observance is specific to Indonesia. Its fuller verified scope is: Indonesia.

How is this page verified?

The factual information is checked against reviewed sources, including the date pattern, scope and institutional history. This page was checked on 2026-10-02.

When is Indonesia Independence Day?

It is observed on August 17.

What does August 17 commemorate?

It marks the Proclamation of Independence read in Jakarta on August 17, 1945.

Is August 17 a national holiday?

Yes. Indonesian presidential holiday decrees list the Proclamation of Independence on August 17 among national holidays.

Does the 1963 decree create the 1945 independence event?

No. The 1945 proclamation is the historical event; later decrees provide holiday recognition and administration.

Explore further

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