Well, the Hijri date 25 Shaban 1191 corresponds to the Gregorian date Saturday, 27 September 1777. This date lies in the eighth month of the Hijri year 1191 AH, which is Shaban of 1191 AH. Both this Hijri and Gregorian date occur on the single day that is Saturday without any doubt. The Arabic date 1191/08/25 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 27 September 1777 to its equivalent Arabic date.
The following is the conversion of the Arabic date 25 Shaban 1191 AH to its equivalent Gregorian date.
وَٱلَّذِينَ جَآءُو مِنۢ بَعْدِهِمْ يَقُولُونَ رَبَّنَا ٱغْفِرْ لَنَا وَلِإِخْوَٰنِنَا ٱلَّذِينَ سَبَقُونَا بِٱلْإِيمَٰنِ وَلَا تَجْعَلْ فِى قُلُوبِنَا غِلًّۭا لِّلَّذِينَ ءَامَنُوا۟ رَبَّنَآ إِنَّكَ رَءُوفٌۭ رَّحِيمٌ
And those who came (into the faith) after them say: Our Lord! Forgive us and our brethren who were before us in the faith, and place not in our hearts any rancour toward those who believe. Our Lord! Thou art Full of Pity, Merciful.
Surah Al-Hashr(59:10)