Well, the Hijri date 1 Rajab 1231 corresponds to the Gregorian date Monday, 27 May 1816. This date lies in the seventh month of the Hijri year 1231 AH, which is Rajab of 1231 AH. Both this Hijri and Gregorian date occur on the single day that is Monday without any doubt. The Arabic date 1231/07/01 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 27 May 1816 to its equivalent Arabic date.
The following is the conversion of the Arabic date 1 Rajab 1231 AH to its equivalent Gregorian date.
لِّئَلَّا يَعْلَمَ أَهْلُ ٱلْكِتَٰبِ أَلَّا يَقْدِرُونَ عَلَىٰ شَىْءٍۢ مِّن فَضْلِ ٱللَّهِ ۙ وَأَنَّ ٱلْفَضْلَ بِيَدِ ٱللَّهِ يُؤْتِيهِ مَن يَشَآءُ ۚ وَٱللَّهُ ذُو ٱلْفَضْلِ ٱلْعَظِيمِ
That the People of the Scripture may know that they control naught of the bounty of Allah, but that the bounty is in Allah's hand to give to whom He will. And Allah is of Infinite Bounty.
Surah Al-Hadid(57:29)
