Well, the Hijri date 21 Shaban 1219 corresponds to the Gregorian date Saturday, 24 November 1804. This date lies in the eighth month of the Hijri year 1219 AH, which is Shaban of 1219 AH. Both this Hijri and Gregorian date occur on the single day that is Saturday without any doubt. The Arabic date 1219/08/21 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 24 November 1804 to its equivalent Arabic date.
The following is the conversion of the Arabic date 21 Shaban 1219 AH to its equivalent Gregorian date.
وَلَوْ تَرَىٰٓ إِذِ ٱلْمُجْرِمُونَ نَاكِسُوا۟ رُءُوسِهِمْ عِندَ رَبِّهِمْ رَبَّنَآ أَبْصَرْنَا وَسَمِعْنَا فَٱرْجِعْنَا نَعْمَلْ صَٰلِحًا إِنَّا مُوقِنُونَ
Couldst thou but see when the guilty hang their heads before their Lord, (and say): Our Lord! We have now seen and heard, so send us back; we will do right, now we are sure.
Surah As-Sajda(32:12)