Well, the Hijri date 21 Dhul Qidah 1494 corresponds to the Gregorian date Sunday, 13 December 2071. This date lies in the eleventh month of the Hijri year 1494 AH, which is Dhu Al-Qidah of 1494 AH. Both this Hijri and Gregorian date occur on the single day that is Sunday without any doubt. The Arabic date 1494/11/21 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 13 December 2071 to its equivalent Arabic date.
The following is the conversion of the Arabic date 21 Dhul Qidah 1494 AH to its equivalent Gregorian date.
قُلْ يَوْمَ ٱلْفَتْحِ لَا يَنفَعُ ٱلَّذِينَ كَفَرُوٓا۟ إِيمَٰنُهُمْ وَلَا هُمْ يُنظَرُونَ
Say (unto them): On the day of the victory the faith of those who disbelieve (and who then will believe) will not avail them, neither will they be reprieved.
Surah As-Sajda(32:29)