Well, the Hijri date 23 Dhul Hijjah 1520 corresponds to the Gregorian date Friday, 5 April 2097. This date lies in the twelfth month of the Hijri year 1520 AH, which is Dhu Al-Hijjah of 1520 AH. Both this Hijri and Gregorian date occur on the single day that is Friday without any doubt. The Arabic date 1520/12/23 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 2097 to its equivalent Arabic date.
The following is the conversion of the Arabic date 23 Dhul Hijjah 1520 AH to its equivalent Gregorian date.
وَقَالُوا۟ لَوْ كُنَّا نَسْمَعُ أَوْ نَعْقِلُ مَا كُنَّا فِىٓ أَصْحَٰبِ ٱلسَّعِيرِ
And they say: Had we been wont to listen or have sense, we had not been among the dwellers in the flames.
Surah Al-Mulk(67:10)