Well, the Hijri date 13 Rabi Al Awwal 1173 corresponds to the Gregorian date Saturday, 3 November 1759. This date lies in the third month of the Hijri year 1173 AH, which is Rabi Al-Awwal of 1173 AH. Both this Hijri and Gregorian date occur on the single day that is Saturday without any doubt. The Arabic date 1173/03/13 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 3 November 1759 to its equivalent Arabic date.
The following is the conversion of the Arabic date 13 Rabi Al Awwal 1173 AH to its equivalent Gregorian date.
أَوَلَا يَرَوْنَ أَنَّهُمْ يُفْتَنُونَ فِى كُلِّ عَامٍۢ مَّرَّةً أَوْ مَرَّتَيْنِ ثُمَّ لَا يَتُوبُونَ وَلَا هُمْ يَذَّكَّرُونَ
See they not that they are tested once or twice in every year? Still they turn not in repentance, neither pay they heed.
Surah At-Tawba(9:126)