Well, the Hijri date 19 Rabi Al Thani 1200 corresponds to the Gregorian date Saturday, 18 February 1786. This date lies in the fourth month of the Hijri year 1200 AH, which is Rabi Al-Thani of 1200 AH. Both this Hijri and Gregorian date occur on the single day that is Saturday without any doubt. The Arabic date 1200/04/19 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 18 February 1786 to its equivalent Arabic date.
The following is the conversion of the Arabic date 19 Rabi Al Thani 1200 AH to its equivalent Gregorian date.
وَلَمَّا جَآءَ أَمْرُنَا نَجَّيْنَا شُعَيْبًۭا وَٱلَّذِينَ ءَامَنُوا۟ مَعَهُۥ بِرَحْمَةٍۢ مِّنَّا وَأَخَذَتِ ٱلَّذِينَ ظَلَمُوا۟ ٱلصَّيْحَةُ فَأَصْبَحُوا۟ فِى دِيَٰرِهِمْ جَٰثِمِينَ
And when Our commandment came to pass We saved Shu'eyb and those who believed with him by a mercy from Us; and the (Awful) Cry seized those who did injustice, and morning found them prostrate in their dwellings,
Surah Hud(11:94)