Well, the Hijri date 28 Shawwal 1191 corresponds to the Gregorian date Friday, 28 November 1777. This date lies in the tenth month of the Hijri year 1191 AH, which is Shawwal of 1191 AH. Both this Hijri and Gregorian date occur on the single day that is Friday without any doubt. The Arabic date 1191/10/28 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 1777 to its equivalent Arabic date.
The following is the conversion of the Arabic date 28 Shawwal 1191 AH to its equivalent Gregorian date.
قُلْ سِيرُوا۟ فِى ٱلْأَرْضِ فَٱنظُرُوا۟ كَيْفَ بَدَأَ ٱلْخَلْقَ ۚ ثُمَّ ٱللَّهُ يُنشِئُ ٱلنَّشْأَةَ ٱلْءَاخِرَةَ ۚ إِنَّ ٱللَّهَ عَلَىٰ كُلِّ شَىْءٍۢ قَدِيرٌۭ
Say (O Muhammad): Travel in the land and see how He originated creation, then Allah bringeth forth the later growth. Lo! Allah is Able to do all things.
Surah Al-Ankaboot(29:20)