Well, the Hijri date 12 Shaban 1224 corresponds to the Gregorian date Thursday, 21 September 1809. This date lies in the eighth month of the Hijri year 1224 AH, which is Shaban of 1224 AH. Both this Hijri and Gregorian date occur on the single day that is Thursday without any doubt. The Arabic date 1224/08/12 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 September 1809 to its equivalent Arabic date.
The following is the conversion of the Arabic date 12 Shaban 1224 AH to its equivalent Gregorian date.
كَيْفَ يَهْدِى ٱللَّهُ قَوْمًۭا كَفَرُوا۟ بَعْدَ إِيمَٰنِهِمْ وَشَهِدُوٓا۟ أَنَّ ٱلرَّسُولَ حَقٌّۭ وَجَآءَهُمُ ٱلْبَيِّنَٰتُ ۚ وَٱللَّهُ لَا يَهْدِى ٱلْقَوْمَ ٱلظَّٰلِمِينَ
How shall Allah guide a people who disbelieved after their belief and (after) they bore witness that the messenger is true and after clear proofs (of Allah's Sovereignty) had come unto them. And Allah guideth not wrongdoing folk.
Surah Aal-i-Imraan(3:86)