Omar Khayyam Commemoration Day, Ordibehesht 28. This day honors Omar Khayyam, the Iranian mathematician, astronomer, poet, and philosopher. Khayyam lived during the 11th and 12th centuries and made significant contributions to algebra and calendar reform. His quatrains have gained international recognition and have been translated into many languages. In Iran, Ordibehesht 28 is observed with cultural events, lectures, and literary gatherings to highlight Khayyam’s influence on the history of science and literature. The day serves as a reminder of his enduring legacy in both academic and artistic fields.
