Well, the Hijri date 11 Rabi Al Awwal 1257 corresponds to the Gregorian date Sunday, 2 May 1841. This date lies in the third month of the Hijri year 1257 AH, which is Rabi Al-Awwal of 1257 AH. Both this Hijri and Gregorian date occur on the single day that is Sunday without any doubt. The Arabic date 1257/03/11 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 May 1841 to its equivalent Arabic date.
The following is the conversion of the Arabic date 11 Rabi Al Awwal 1257 AH to its equivalent Gregorian date.
وَلَوْ أَنَّهُمْ ءَامَنُوا۟ وَٱتَّقَوْا۟ لَمَثُوبَةٌۭ مِّنْ عِندِ ٱللَّهِ خَيْرٌۭ ۖ لَّوْ كَانُوا۟ يَعْلَمُونَ
And if they had believed and kept from evil, a recompense from Allah would be better, if they only knew.
Surah Al-Baqara(2:103)