Well, the Hijri date 20 Dhul Qidah 1471 corresponds to the Gregorian date Thursday, 19 August 2049. This date lies in the eleventh month of the Hijri year 1471 AH, which is Dhu Al-Qidah of 1471 AH. Both this Hijri and Gregorian date occur on the single day that is Thursday without any doubt. The Arabic date 1471/11/20 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 19 August 2049 to its equivalent Arabic date.
The following is the conversion of the Arabic date 20 Dhul Qidah 1471 AH to its equivalent Gregorian date.
وَيَقُولُ ٱلَّذِينَ ءَامَنُوٓا۟ أَهَٰٓؤُلَآءِ ٱلَّذِينَ أَقْسَمُوا۟ بِٱللَّهِ جَهْدَ أَيْمَٰنِهِمْ ۙ إِنَّهُمْ لَمَعَكُمْ ۚ حَبِطَتْ أَعْمَٰلُهُمْ فَأَصْبَحُوا۟ خَٰسِرِينَ
Then will the believers say (unto the people of the Scripture): are these they who swore by Allah their most binding oaths that they were surely with you? Their works have failed, and they have become the losers.
Surah Al-Maaida(5:53)