Well, the Hijri date 27 Shaban 1213 corresponds to the Gregorian date Saturday, 2 February 1799. This date lies in the eighth month of the Hijri year 1213 AH, which is Shaban of 1213 AH. Both this Hijri and Gregorian date occur on the single day that is Saturday without any doubt. The Arabic date 1213/08/27 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 2 February 1799 to its equivalent Arabic date.
The following is the conversion of the Arabic date 27 Shaban 1213 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)