Well, the Hijri date 24 Shawwal 1200 corresponds to the Gregorian date Saturday, 19 August 1786. This date lies in the tenth month of the Hijri year 1200 AH, which is Shawwal of 1200 AH. Both this Hijri and Gregorian date occur on the single day that is Saturday without any doubt. The Arabic date 1200/10/24 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 19 August 1786 to its equivalent Arabic date.
The following is the conversion of the Arabic date 24 Shawwal 1200 AH to its equivalent Gregorian date.
وَبِكُفْرِهِمْ وَقَوْلِهِمْ عَلَىٰ مَرْيَمَ بُهْتَٰنًا عَظِيمًۭا
And because of their disbelief and of their speaking against Mary a tremendous calumny;
Surah An-Nisaa(4:156)