Which calendar was introduced by famous astronomer Omer Khayyam?

مشہور ماہر فلکیات عمر خیام نے کون سا کیلنڈر متعارف کرایا؟

Jalali Calendar

Chess

Pin hole camera

None of these

Omer-Khayam was born in Iran in 1048 AD.

Omer-Khayam was a poet, Mathematician & Astronomer.

Omer-Khayam introduced the modern Solar Hijri calendar, the Jalali calendar.

Place of burial: Tomb of Omar Khayyam, Iran

Main interests:

Mathematics (medieval Islamic); astronomy; Persian philosophy; Persian poetry

ND11-07-2023

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RY 4-12-2022