Well, the Hijri date 20 Dhul Hijjah 1215 corresponds to the Gregorian date Sunday, 3 May 1801. This date lies in the twelfth month of the Hijri year 1215 AH, which is Dhu Al-Hijjah of 1215 AH. Both this Hijri and Gregorian date occur on the single day that is Sunday without any doubt. The Arabic date 1215/12/20 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 May 1801 to its equivalent Arabic date.
The following is the conversion of the Arabic date 20 Dhul Hijjah 1215 AH to its equivalent Gregorian date.
إِذْ قَالُوا۟ لَيُوسُفُ وَأَخُوهُ أَحَبُّ إِلَىٰٓ أَبِينَا مِنَّا وَنَحْنُ عُصْبَةٌ إِنَّ أَبَانَا لَفِى ضَلَٰلٍۢ مُّبِينٍ
When they said: Verily Joseph and his brother are dearer to our father than we are, many though we be. Lo! our father is in plain aberration.
Surah Yusuf(12:8)