Question

    During which caliph's rule was the Hijri era

    established?
    A Abu Bakr Correct Answer Incorrect Answer
    B Umar Correct Answer Incorrect Answer
    C Ali Correct Answer Incorrect Answer
    D Uthman Correct Answer Incorrect Answer

    Solution

    Caliph Umar introduced the Hijri era in 622 CE. This lunar calendar consists of 12 months, each beginning at sunset when the crescent moon is first sighted. Notably, the Hijri year is approximately 11 days shorter than the solar year.

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