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Observance · not a public holiday in Indonesia

Hari Konstitusi

Hari Konstitusi 2026 in Indonesia is observed on Selasa, 18 Agustus 2026.

Hari Konstitusi is not an official public holiday in Indonesia — it's a widely observed day (date shown is when Indonesia observes it), but offices and schools stay open. See Indonesia's official public holidays →
Selasa, 18 Agustus 2026
in 27 days
DateSelasa, 18 Agustus 2026
StatusNot a public holiday in Indonesia
Time untilIn 27 days
Countdown
26days
:
14hours
:
45min
:
27sec

Agustus 2026

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Hari Konstitusi is a public holiday in Indonesia. This page collects the date for each year, plus other holidays in the country's calendar.

History & origin

Hari Konstitusi is officially observed as a public holiday in Indonesia. We are building out a longer history & traditions section for this holiday. In the meantime, the calendar below shows Hari Konstitusi's date across multiple years and how it interacts with the country's long-weekend opportunities.

Traditions & customs

Hari Konstitusi observance varies by community and region within Indonesia. Government offices, banks, and schools are typically closed.

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Frequently asked questions

When is Hari Konstitusi 2026 in Indonesia?

Hari Konstitusi 2026 in Indonesia is observed on Selasa, 18 Agustus 2026.

Is Hari Konstitusi a public holiday in Indonesia?

No. Hari Konstitusi is marked in Indonesia as a widely observed day, but it is not an official public holiday — workplaces and schools stay open.

How many days until Hari Konstitusi?

The countdown above shows the exact days, hours and minutes remaining. The year-by-year list below has Hari Konstitusi's date in the surrounding years.

About this page. caldays.com curates public-holiday data from official government publications and IANA tzdata. For critical decisions (travel, payroll, contracts) please verify with the relevant official source. Long-form content is researched and written by the caldays editorial team.