Well, the Hijri date 19 Rabi Al Thani 1211 corresponds to the Gregorian date Friday, 21 October 1796. This date lies in the fourth month of the Hijri year 1211 AH, which is Rabi Al-Thani of 1211 AH. Both this Hijri and Gregorian date occur on the single day that is Friday without any doubt. The Arabic date 1211/04/19 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 21 October 1796 to its equivalent Arabic date.
The following is the conversion of the Arabic date 19 Rabi Al Thani 1211 AH to its equivalent Gregorian date.
إِنَّ ٱلَّذِينَ كَفَرُوا۟ وَمَاتُوا۟ وَهُمْ كُفَّارٌۭ فَلَن يُقْبَلَ مِنْ أَحَدِهِم مِّلْءُ ٱلْأَرْضِ ذَهَبًۭا وَلَوِ ٱفْتَدَىٰ بِهِۦٓ ۗ أُو۟لَٰٓئِكَ لَهُمْ عَذَابٌ أَلِيمٌۭ وَمَا لَهُم مِّن نَّٰصِرِينَ
Lo! those who disbelieve, and die in disbelief, the (whole) earth full of gold would not be accepted from such an one if it were offered as a ransom (for his soul). Theirs will be a painful doom and they will have no helpers.
Surah Aal-i-Imraan(3:91)