Well, the Hijri date 20 Rajab 1604 corresponds to the Gregorian date Thursday, 7 May 2178. This date lies in the seventh month of the Hijri year 1604 AH, which is Rajab of 1604 AH. Both this Hijri and Gregorian date occur on the single day that is Thursday without any doubt. The Arabic date 1604/07/20 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 7 May 2178 to its equivalent Arabic date.
The following is the conversion of the Arabic date 20 Rajab 1604 AH to its equivalent Gregorian date.
وَأَقْسَمُوا۟ بِٱللَّهِ جَهْدَ أَيْمَٰنِهِمْ ۙ لَا يَبْعَثُ ٱللَّهُ مَن يَمُوتُ ۚ بَلَىٰ وَعْدًا عَلَيْهِ حَقًّۭا وَلَٰكِنَّ أَكْثَرَ ٱلنَّاسِ لَا يَعْلَمُونَ
And they swear by Allah their most binding oaths (that) Allah will not raise up him who dieth. Nay, but it is a promise (binding) upon Him in truth, but most of mankind know not,
Surah An-Nahl(16:38)
