Year conversion
Shamsi Year 1400
Shahanshahi year 2580 equals Shamsi (Jalali) year 1400, overlapping Gregorian 2021–2022 — every Iranian year begins at Nowruz and spans two Gregorian years.
- Shahanshahi
- 2580
- Shamsi (Jalali)
- 1400
- Gregorian
- 2021–2022
Conversion formula
Shamsi = Shahanshahi − 1180 ⇒ 2580 − 1180 = 1400
Gregorian ≈ Shamsi + 621 ⇒ 1400 + 621 = 2021