Well, the Hijri date 30 Rabi Al Awwal 1247 corresponds to the Gregorian date Wednesday, 7 September 1831. This date lies in the third month of the Hijri year 1247 AH, which is Rabi Al-Awwal of 1247 AH. Both this Hijri and Gregorian date occur on the single day that is Wednesday without any doubt. The Arabic date 1247/03/30 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 7 September 1831 to its equivalent Arabic date.
The following is the conversion of the Arabic date 30 Rabi Al Awwal 1247 AH to its equivalent Gregorian date.
وَقَالُوا۟ لَوْلَا يَأْتِينَا بِـَٔايَةٍۢ مِّن رَّبِّهِۦٓ ۚ أَوَلَمْ تَأْتِهِم بَيِّنَةُ مَا فِى ٱلصُّحُفِ ٱلْأُولَىٰ
And they say: If only he would bring us a miracle from his Lord! Hath there not come unto them the proof of what is in the former scriptures?
Surah Taa-Haa(20:133)