Well, the Hijri date 21 Rajab 1163 corresponds to the Gregorian date Thursday, 25 June 1750. This date lies in the seventh month of the Hijri year 1163 AH, which is Rajab of 1163 AH. Both this Hijri and Gregorian date occur on the single day that is Thursday without any doubt. The Arabic date 1163/07/21 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 25 June 1750 to its equivalent Arabic date.
The following is the conversion of the Arabic date 21 Rajab 1163 AH to its equivalent Gregorian date.
رَبَّنَا وَءَاتِنَا مَا وَعَدتَّنَا عَلَىٰ رُسُلِكَ وَلَا تُخْزِنَا يَوْمَ ٱلْقِيَٰمَةِ ۗ إِنَّكَ لَا تُخْلِفُ ٱلْمِيعَادَ
Our Lord! And give us that which Thou hast promised to us by Thy messengers. Confound us not upon the Day of Resurrection. Lo! Thou breakest not the tryst.
Surah Aal-i-Imraan(3:194)