Well, the Hijri date 21 Safar 1191 corresponds to the Gregorian date Sunday, 30 March 1777. This date lies in the second month of the Hijri year 1191 AH, which is Safar of 1191 AH. Both this Hijri and Gregorian date occur on the single day that is Sunday without any doubt. The Arabic date 1191/02/21 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 30 March 1777 to its equivalent Arabic date.
The following is the conversion of the Arabic date 21 Safar 1191 AH to its equivalent Gregorian date.
قَالُوٓا۟ أَءِنَّكَ لَأَنتَ يُوسُفُ ۖ قَالَ أَنَا۠ يُوسُفُ وَهَٰذَآ أَخِى ۖ قَدْ مَنَّ ٱللَّهُ عَلَيْنَآ ۖ إِنَّهُۥ مَن يَتَّقِ وَيَصْبِرْ فَإِنَّ ٱللَّهَ لَا يُضِيعُ أَجْرَ ٱلْمُحْسِنِينَ
They said: Is it indeed thou who art Joseph? He said: I am Joseph and this is my brother. Allah hath shown us favour. Lo! he who wardeth off (evil) and endureth (findeth favour); for lo! Allah loseth not the wages of the kindly.
Surah Yusuf(12:90)