Well, the Hijri date 27 Rabi Al Thani 1193 corresponds to the Gregorian date Thursday, 13 May 1779. This date lies in the fourth month of the Hijri year 1193 AH, which is Rabi Al-Thani of 1193 AH. Both this Hijri and Gregorian date occur on the single day that is Thursday without any doubt. The Arabic date 1193/04/27 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 13 May 1779 to its equivalent Arabic date.
The following is the conversion of the Arabic date 27 Rabi Al Thani 1193 AH to its equivalent Gregorian date.
وَإِمَّا نُرِيَنَّكَ بَعْضَ ٱلَّذِى نَعِدُهُمْ أَوْ نَتَوَفَّيَنَّكَ فَإِلَيْنَا مَرْجِعُهُمْ ثُمَّ ٱللَّهُ شَهِيدٌ عَلَىٰ مَا يَفْعَلُونَ
Whether We let thee (O Muhammad) behold something of that which We promise them or (whether We) cause thee to die, still unto Us is their return, and Allah, moreover, is Witness over what they do.
Surah Yunus(10:46)