Well, the Hijri date 12 Rabi Al Thani 1247 corresponds to the Gregorian date Monday, 19 September 1831. This date lies in the fourth month of the Hijri year 1247 AH, which is Rabi Al-Thani of 1247 AH. Both this Hijri and Gregorian date occur on the single day that is Monday without any doubt. The Arabic date 1247/04/12 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 19 September 1831 to its equivalent Arabic date.
The following is the conversion of the Arabic date 12 Rabi Al Thani 1247 AH to its equivalent Gregorian date.
فَإِذَا مَسَّ ٱلْإِنسَٰنَ ضُرٌّۭ دَعَانَا ثُمَّ إِذَا خَوَّلْنَٰهُ نِعْمَةًۭ مِّنَّا قَالَ إِنَّمَآ أُوتِيتُهُۥ عَلَىٰ عِلْمٍۭ ۚ بَلْ هِىَ فِتْنَةٌۭ وَلَٰكِنَّ أَكْثَرَهُمْ لَا يَعْلَمُونَ
Now when hurt toucheth a man he crieth unto Us, and afterward when We have granted him a boon from Us, he saith: Only by force of knowledge I obtained it. Nay, but it is a test. But most of them know not.
Surah Az-Zumar(39:49)
