Fixed date: 28 Ordibehesht
The 28th of Ordibehesht commemorates Omar Khayyam of Nishapur, the great Iranian mathematician, astronomer, and poet.
Omar Khayyam (1048-1131 CE) reformed the Jalali calendar, the most accurate solar calendar of its time. The Rubaiyat of Omar Khayyam is one of the most famous works of Persian literature worldwide.
| Persian Year | Persian Date | Gregorian Date |
|---|---|---|
| 1400 | 28 Ordibehesht | May 18, 2021 |
| 1401 | 28 Ordibehesht | May 18, 2022 |
| 1402 | 28 Ordibehesht | May 18, 2023 |
| 1403 | 28 Ordibehesht | May 17, 2024 |
| 1404 | 28 Ordibehesht | May 18, 2025 |
| 1405← This year | 28 Ordibehesht | May 18, 2026 |
| 1406 | 28 Ordibehesht | May 18, 2027 |
| 1407 | 28 Ordibehesht | May 17, 2028 |
| 1408 | 28 Ordibehesht | May 17, 2029 |
| 1409 | 28 Ordibehesht | May 18, 2030 |
| 1410 | 28 Ordibehesht | May 18, 2031 |
| 1411 | 28 Ordibehesht | May 17, 2032 |
| 1412 | 28 Ordibehesht | May 17, 2033 |
| 1413 | 28 Ordibehesht | May 18, 2034 |
| 1414 | 28 Ordibehesht | May 18, 2035 |
| 1415 | 28 Ordibehesht | May 17, 2036 |
| 1416 | 28 Ordibehesht | May 17, 2037 |
| 1417 | 28 Ordibehesht | May 18, 2038 |
| 1418 | 28 Ordibehesht | May 18, 2039 |
| 1419 | 28 Ordibehesht | May 17, 2040 |
| 1420 | 28 Ordibehesht | May 17, 2041 |
۲۸ اردیبهشت، روز بزرگداشت حکیم عمر خیام نیشابوری، ریاضیدان، ستارهشناس و شاعر بزرگ ایرانی است.
The 28th of Ordibehesht commemorates Omar Khayyam of Nishapur, the great Iranian mathematician, astronomer, and poet.
٢٨ أرديبهشت يحيي ذكرى عمر الخيام النيسابوري، عالم الرياضيات والفلكي والشاعر الإيراني العظيم.