Abu Rayhan Biruni Commemoration Day, Shahrivar 13. This day is dedicated to honoring Abu Rayhan Biruni, a renowned Iranian scholar and researcher, in the Jalali calendar. Biruni made significant contributions in mathematics, astronomy, geography, and pharmacology, leaving behind influential works. Abu Rayhan Biruni is recognized as a prominent scientific figure in Iran and worldwide, and his writings continue to be studied by researchers. The day serves as a reminder of his impact on the advancement of science and the dissemination of knowledge in Iranian and global history.
