Constitution and State Flag Day
Constitution and State Flag Day is recognized as a holiday in one or more jurisdictions.
May 18, 2026
Monday
Constitution and State Flag Day Dates
Countries That Observe Constitution and State Flag Day
Public Holiday Status
Countries represented1
Public holiday1
Bank holiday0
Office holiday0
School holiday0
Status varies by country and year. Of 1 country represented in the available data, 1 has at least one public-holiday record, 0 have a bank-holiday record, 0 have an office-holiday record, and 0 have a school-holiday record.
About Constitution and State Flag Day
Constitution and State Flag Day is recognized as a holiday in one or more jurisdictions.
Frequently Asked Questions
When is Constitution and State Flag Day?
The date can vary by year and country. The date table above shows the records currently available.
Is Constitution and State Flag Day a public holiday?
Holiday status varies by country. Use the country-specific pages for local public, bank, office and school holiday information.
Which countries observe Constitution and State Flag Day?
The countries section lists locations with active holiday-date records in this calendar.