Well, the Hijri date 22 Dhul Qidah 1215 corresponds to the Gregorian date Sunday, 5 April 1801. This date lies in the eleventh month of the Hijri year 1215 AH, which is Dhu Al-Qidah of 1215 AH. Both this Hijri and Gregorian date occur on the single day that is Sunday without any doubt. The Arabic date 1215/11/22 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 5 April 1801 to its equivalent Arabic date.
The following is the conversion of the Arabic date 22 Dhul Qidah 1215 AH to its equivalent Gregorian date.
ثُمَّ ءَاتَيْنَا مُوسَى ٱلْكِتَٰبَ تَمَامًا عَلَى ٱلَّذِىٓ أَحْسَنَ وَتَفْصِيلًۭا لِّكُلِّ شَىْءٍۢ وَهُدًۭى وَرَحْمَةًۭ لَّعَلَّهُم بِلِقَآءِ رَبِّهِمْ يُؤْمِنُونَ
Again, We gave the Scripture unto Moses, complete for him who would do good, an explanation of all things, a guidance and a mercy, that they might believe in the meeting with their Lord.
Surah Al-An'aam(6:154)