Battle of Ayacucho Day is a public holiday in Peru, known locally as Batalla de Ayacucho.
In 2026 it falls on Wednesday 9 December; in 2027 on Thursday 9 December.
The date is fixed, so only the weekday changes from year to year.
Dates, 2025 to 2028
| Year | Date | Weekday | Note |
|---|---|---|---|
| 2025 | 9 December | Tuesday | |
| 2026 | 9 December | Wednesday | |
| 2027 | 9 December | Thursday | |
| 2028 | 9 December | Saturday weekend |