Well, the Hijri date 21 Rajab 1161 corresponds to the Gregorian date Tuesday, 16 July 1748. This date lies in the seventh month of the Hijri year 1161 AH, which is Rajab of 1161 AH. Both this Hijri and Gregorian date occur on the single day that is Tuesday without any doubt. The Arabic date 1161/07/21 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 16 July 1748 to its equivalent Arabic date.
The following is the conversion of the Arabic date 21 Rajab 1161 AH to its equivalent Gregorian date.
أَمْ لَهُمْ إِلَٰهٌ غَيْرُ ٱللَّهِ ۚ سُبْحَٰنَ ٱللَّهِ عَمَّا يُشْرِكُونَ
Or have they any god beside Allah? Glorified be Allah from all that they ascribe as partner (unto Him)!
Surah At-Tur(52:43)