Well, the Hijri date 13 Ramadan 1225 corresponds to the Gregorian date Thursday, 11 October 1810. This date lies in the ninth month of the Hijri year 1225 AH, which is Ramadan of 1225 AH. Both this Hijri and Gregorian date occur on the single day that is Thursday without any doubt. The Arabic date 1225/09/13 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 11 October 1810 to its equivalent Arabic date.
The following is the conversion of the Arabic date 13 Ramadan 1225 AH to its equivalent Gregorian date.
وَإِذَا تُتْلَىٰ عَلَيْهِمْ ءَايَٰتُنَا بَيِّنَٰتٍۢ قَالَ ٱلَّذِينَ كَفَرُوا۟ لِلَّذِينَ ءَامَنُوٓا۟ أَىُّ ٱلْفَرِيقَيْنِ خَيْرٌۭ مَّقَامًۭا وَأَحْسَنُ نَدِيًّۭا
And when Our clear revelations are recited unto them, those who disbelieve say unto those who believe: Which of the two parties (yours or ours) is better in position, and more imposing as an army?
Surah Maryam(19:73)