State Foundation Day is a public holiday in Hungary, known locally as Az államalapítás ünnepe.
In 2026 it falls on Thursday 20 August; in 2027 on Friday 20 August.
The date is fixed, so only the weekday changes from year to year.
Dates, 2025 to 2028
| Year | Date | Weekday | Note |
|---|---|---|---|
| 2025 | 20 August | Wednesday | |
| 2026 | 20 August | Thursday | |
| 2027 | 20 August | Friday long weekend | |
| 2028 | 20 August | Sunday weekend |