Well, the Hijri date 3 Rajab 1224 corresponds to the Gregorian date Sunday, 13 August 1809. This date lies in the seventh month of the Hijri year 1224 AH, which is Rajab of 1224 AH. Both this Hijri and Gregorian date occur on the single day that is Sunday without any doubt. The Arabic date 1224/07/03 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 13 August 1809 to its equivalent Arabic date.
The following is the conversion of the Arabic date 3 Rajab 1224 AH to its equivalent Gregorian date.
وَمَن يَبْتَغِ غَيْرَ ٱلْإِسْلَٰمِ دِينًۭا فَلَن يُقْبَلَ مِنْهُ وَهُوَ فِى ٱلْءَاخِرَةِ مِنَ ٱلْخَٰسِرِينَ
And whoso seeketh as religion other than the Surrender (to Allah) it will not be accepted from him, and he will be a loser in the Hereafter.
Surah Aal-i-Imraan(3:85)