Well, the Hijri date 22 Muharram 1400 corresponds to the Gregorian date Tuesday, 11 December 1979. This date lies in the first month of the Hijri year 1400 AH, which is Muharram of 1400 AH. Both this Hijri and Gregorian date occur on the single day that is Tuesday without any doubt. The Arabic date 1400/01/22 is calculated using the Umm Al-Qura calendar and the sighting of the moon. One thing to remember is that this Arabic date may occur on different Gregorian date depending upon the region and country and obviously the moon.
If you are still not sure about the date then you can use our Arabic date converter.
The following is the conversion of the Gregorian date 11 December 1979 to its equivalent Arabic date.
The following is the conversion of the Arabic date 22 Muharram 1400 AH to its equivalent Gregorian date.
مَا لَكُمْ كَيْفَ تَحْكُمُونَ
What aileth you? How judge ye?
Surah As-Saaffaat(37:154)
Sahih al-Bukhari
Military Expeditions led by the Prophet (pbuh) (Al-Maghaazi)
Chapter: The Ghazwa of Ar-Raji’, Ri’l, Dhakwan and Bi’r Ma’una and the narration about Khubaib and his companions
Narrated Anas:
The Prophet (ﷺ) said Al-Qunut after Bowing (i.e. Ar-Ruku') for one month, invoking evil upon (the tribes of) Ril and Dhakwan. He used to say, "Usaiya disobeyed Allah and His Apostle."
Sahih al-Bukhari 4094