Well, the Hijri date 15 Dhul Hijjah 1504 corresponds to the Gregorian date Thursday, 18 September 2081. This date lies in the twelfth month of the Hijri year 1504 AH, which is Dhu Al-Hijjah of 1504 AH. Both this Hijri and Gregorian date occur on the single day that is Thursday without any doubt. The Arabic date 1504/12/15 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 18 September 2081 to its equivalent Arabic date.
The following is the conversion of the Arabic date 15 Dhul Hijjah 1504 AH to its equivalent Gregorian date.
فَإِمَّا تَثْقَفَنَّهُمْ فِى ٱلْحَرْبِ فَشَرِّدْ بِهِم مَّنْ خَلْفَهُمْ لَعَلَّهُمْ يَذَّكَّرُونَ
If thou comest on them in the war, deal with them so as to strike fear in those who are behind them, that haply they may remember.
Surah Al-Anfaal(8:57)