Well, the Hijri date 11 Rabi Al Thani 1215 corresponds to the Gregorian date Sunday, 31 August 1800. This date lies in the fourth month of the Hijri year 1215 AH, which is Rabi Al-Thani of 1215 AH. Both this Hijri and Gregorian date occur on the single day that is Sunday without any doubt. The Arabic date 1215/04/11 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 31 August 1800 to its equivalent Arabic date.
The following is the conversion of the Arabic date 11 Rabi Al Thani 1215 AH to its equivalent Gregorian date.
إِذْ دَخَلُوا۟ عَلَىٰ دَاوُۥدَ فَفَزِعَ مِنْهُمْ ۖ قَالُوا۟ لَا تَخَفْ ۖ خَصْمَانِ بَغَىٰ بَعْضُنَا عَلَىٰ بَعْضٍۢ فَٱحْكُم بَيْنَنَا بِٱلْحَقِّ وَلَا تُشْطِطْ وَٱهْدِنَآ إِلَىٰ سَوَآءِ ٱلصِّرَٰطِ
How they burst in upon David, and he was afraid of them. They said: Be not afraid! (We are) two litigants, one of whom hath wronged the other, therefor judge aright between us; be not unjust; and show us the fair way.
Surah Saad(38:22)