Well, the Hijri date 21 Shaban 1205 corresponds to the Gregorian date Sunday, 24 April 1791. This date lies in the eighth month of the Hijri year 1205 AH, which is Shaban of 1205 AH. Both this Hijri and Gregorian date occur on the single day that is Sunday without any doubt. The Arabic date 1205/08/21 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 24 April 1791 to its equivalent Arabic date.
The following is the conversion of the Arabic date 21 Shaban 1205 AH to its equivalent Gregorian date.
وَهُمْ عَلَىٰ مَا يَفْعَلُونَ بِٱلْمُؤْمِنِينَ شُهُودٌۭ
And were themselves the witnesses of what they did to the believers.
Surah Al-Burooj(85:7)