Well, the Hijri date 6 Jumada Al Oula 1231 corresponds to the Gregorian date Wednesday, 3 April 1816. This date lies in the fifth month of the Hijri year 1231 AH, which is Jumada Al-Awwal of 1231 AH. Both this Hijri and Gregorian date occur on the single day that is Wednesday without any doubt. The Arabic date 1231/05/06 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 3 April 1816 to its equivalent Arabic date.
The following is the conversion of the Arabic date 6 Jumada Al Oula 1231 AH to its equivalent Gregorian date.
لَّوْلَا كِتَٰبٌۭ مِّنَ ٱللَّهِ سَبَقَ لَمَسَّكُمْ فِيمَآ أَخَذْتُمْ عَذَابٌ عَظِيمٌۭ
Had it not been for an ordinance of Allah which had gone before, an awful doom had come upon you on account of what ye took.
Surah Al-Anfaal(8:68)