Well, the Hijri date 21 Shaban 1185 corresponds to the Gregorian date Thursday, 28 November 1771. This date lies in the eighth month of the Hijri year 1185 AH, which is Shaban of 1185 AH. Both this Hijri and Gregorian date occur on the single day that is Thursday without any doubt. The Arabic date 1185/08/21 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 28 November 1771 to its equivalent Arabic date.
The following is the conversion of the Arabic date 21 Shaban 1185 AH to its equivalent Gregorian date.
قُلْ مَن يَكْلَؤُكُم بِٱلَّيْلِ وَٱلنَّهَارِ مِنَ ٱلرَّحْمَٰنِ ۗ بَلْ هُمْ عَن ذِكْرِ رَبِّهِم مُّعْرِضُونَ
Say: Who guardeth you in the night or in the day from the Beneficent? Nay, but they turn away from mention of their Lord!
Surah Al-Anbiyaa(21:42)