Well, the Hijri date 20 Shawwal 1193 corresponds to the Gregorian date Saturday, 30 October 1779. This date lies in the tenth month of the Hijri year 1193 AH, which is Shawwal of 1193 AH. Both this Hijri and Gregorian date occur on the single day that is Saturday without any doubt. The Arabic date 1193/10/20 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 October 1779 to its equivalent Arabic date.
The following is the conversion of the Arabic date 20 Shawwal 1193 AH to its equivalent Gregorian date.
مَآ أَصَابَ مِن مُّصِيبَةٍۢ فِى ٱلْأَرْضِ وَلَا فِىٓ أَنفُسِكُمْ إِلَّا فِى كِتَٰبٍۢ مِّن قَبْلِ أَن نَّبْرَأَهَآ ۚ إِنَّ ذَٰلِكَ عَلَى ٱللَّهِ يَسِيرٌۭ
Naught of disaster befalleth in the earth or in yourselves but it is in a Book before we bring it into being - Lo! that is easy for Allah -
Surah Al-Hadid(57:22)