Martyrdom of Ali al-Rida is a public holiday in Iran, known locally as شهادت امام رضا علیه السلام.
In 2026 it falls on Thursday 13 August; in 2027 on Tuesday 3 August.
It follows the lunar calendar: the dates shown are estimates and may shift by a day once the moon is sighted.
Dates, 2025 to 2028
| Year | Date | Weekday | Note |
|---|---|---|---|
| 2025 | 24 August | Sunday weekend | |
| 2026 | 13 August | Thursday | |
| 2027 | 3 August | Tuesday | estimated date |
| 2028 | 23 July | Sunday weekend | estimated date |