Birthday of Imam Ali is a public holiday in Iran, known locally as ولادت امام علی علیه السلام و روز پدر.
In 2026 it falls on Saturday 3 January and lasts 2 days; in 2027 on Sunday 12 December.
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 | 14 January | Tuesday | |
| 2026 | 3 January | Saturday weekend | |
| 2026 | 23 December | Wednesday | |
| 2027 | 12 December | Sunday weekend | estimated date |
| 2028 | 1 December | Friday long weekend | estimated date |