- This year: Wednesday, 20 May 2026
- Next year: Thursday, 20 May 2027
- Last year: Tuesday, 20 May 2025
- Type: Provincial Holiday
About La Rioja Foundation Day in Argentina
La Rioja Foundation Day is a provincial holiday in Argentina. It is a day off for the general population, and schools and most businesses are closed.
La Rioja Foundation Day: Past and Future Observances
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| Year | Date | Weekday | Name | Observed In |
|---|---|---|---|---|
| 2016 | Friday | La Rioja Foundation Day | La Rioja | |
| 2017 | Saturday | La Rioja Foundation Day | La Rioja | |
| 2018 | Sunday | La Rioja Foundation Day | La Rioja | |
| 2019 | Monday | La Rioja Foundation Day | La Rioja | |
| 2020 | Wednesday | La Rioja Foundation Day | La Rioja | |
| 2021 | Thursday | La Rioja Foundation Day | La Rioja | |
| 2022 | Friday | La Rioja Foundation Day | La Rioja | |
| 2023 | Saturday | La Rioja Foundation Day | La Rioja | |
| 2024 | Monday | La Rioja Foundation Day | La Rioja | |
| 2025 | Tuesday | La Rioja Foundation Day | La Rioja | |
| 2026 | Wednesday | La Rioja Foundation Day | La Rioja | |
| 2027 | Thursday | La Rioja Foundation Day | La Rioja | |
| 2028 | Saturday | La Rioja Foundation Day | La Rioja | |
| 2029 | Sunday | La Rioja Foundation Day | La Rioja | |
| 2030 | Monday | La Rioja Foundation Day | La Rioja | |
| 2031 | Tuesday | La Rioja Foundation Day | La Rioja | |
| 2032 | Thursday | La Rioja Foundation Day | La Rioja | |
| 2033 | Friday | La Rioja Foundation Day | La Rioja | |
| 2034 | Saturday | La Rioja Foundation Day | La Rioja | |
| 2035 | Sunday | La Rioja Foundation Day | La Rioja | |
| 2036 | Tuesday | La Rioja Foundation Day | La Rioja |
