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Briflypublic holidays of the world
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  4. Constitution Day
Public holiday

Constitution Day in Svalbard and Jan Mayen

Grunnlovsdag

Monday17May 2027

Constitution Day is a public holiday in Svalbard and Jan Mayen, known locally as Grunnlovsdag.

In 2026 it falls on Sunday 17 May; in 2027 on Monday 17 May.

The date is fixed, so only the weekday changes from year to year.

33 other countries in our calendar also have Constitution Day as a public holiday.

Dates, 2025 to 2028

YearDateWeekdayNote
202517 MaySaturday weekend
202617 MaySunday weekend
202717 MayMonday long weekend
202817 MayWednesday

Constitution Day elsewhere

Around the world
Andorra14 MarchAnguilla7 AugustArmenia5 JulyCambodia24 SeptemberCayman Islands6 JulyCook Islands4 AugustDominican Republic9 NovemberEquatorial Guinea15 AugustGhana7 JanuaryJapan3 MayKazakhstan—Kosovo9 AprilKyrgyzstan5 MayMarshall Islands1 MayMexico2 FebruaryNauru17 MayNepal19 SeptemberNiue19 OctoberNorthern Mariana Islands8 DecemberNorway17 MayPalau9 JulySeychelles18 JuneSint Maarten12 OctoberSouth Korea17 JulySpain—Taiwan25 DecemberTajikistan6 NovemberThailand10 DecemberTonga2 NovemberTurks and Caicos Islands31 AugustUruguay18 JulyUzbekistan8 DecemberVanuatu5 October