Constitution Day is a optional holiday in Denmark, known locally as Grundlovsdag.
In 2026 it falls on Friday 5 June; in 2027 on Saturday 5 June.
The date is fixed, so only the weekday changes from year to year.
Dates, 2025 to 2028
| Year | Date | Weekday | Note |
|---|---|---|---|
| 2025 | 5 June | Thursday | |
| 2026 | 5 June | Friday long weekend | |
| 2027 | 5 June | Saturday weekend | |
| 2028 | not a holiday this year | ||