Well, the Hijri date 29 Dhul Qidah 1191 corresponds to the Gregorian date Sunday, 28 December 1777. This date lies in the eleventh month of the Hijri year 1191 AH, which is Dhu Al-Qidah of 1191 AH. Both this Hijri and Gregorian date occur on the single day that is Sunday without any doubt. The Arabic date 1191/11/29 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 December 1777 to its equivalent Arabic date.
The following is the conversion of the Arabic date 29 Dhul Qidah 1191 AH to its equivalent Gregorian date.
وَإِذَا لَقُوا۟ ٱلَّذِينَ ءَامَنُوا۟ قَالُوٓا۟ ءَامَنَّا وَإِذَا خَلَوْا۟ إِلَىٰ شَيَٰطِينِهِمْ قَالُوٓا۟ إِنَّا مَعَكُمْ إِنَّمَا نَحْنُ مُسْتَهْزِءُونَ
And when they fall in with those who believe, they say: We believe; but when they go apart to their devils they declare: Lo! we are with you; verily we did but mock.
Surah Al-Baqara(2:14)