Year conversion
Shahanshahi Year 2531
Shahanshahi year 2531 equals Shamsi (Jalali) year 1351, overlapping Gregorian 1972–1973 — every Iranian year begins at Nowruz and spans two Gregorian years.
- Shahanshahi
- 2531
- Shamsi (Jalali)
- 1351
- Gregorian
- 1972–1973
Is this the year on your birth certificate?
Iranian birth certificates and documents issued between 2535 and 2537 use the Shahanshahi calendar — the years it served as Iran's official calendar. Year 2531 on your document is Shamsi year 1351; the day and month stay the same.
Conversion formula
Shamsi = Shahanshahi − 1180 ⇒ 2531 − 1180 = 1351
Gregorian ≈ Shamsi + 621 ⇒ 1351 + 621 = 1972