Well, the Hijri date 17 Rabi Al Thani 1604 corresponds to the Gregorian date Thursday, 5 February 2178. This date lies in the fourth month of the Hijri year 1604 AH, which is Rabi Al-Thani of 1604 AH. Both this Hijri and Gregorian date occur on the single day that is Thursday without any doubt. The Arabic date 1604/04/17 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 February 2178 to its equivalent Arabic date.
The following is the conversion of the Arabic date 17 Rabi Al Thani 1604 AH to its equivalent Gregorian date.
أَفَلَمْ يَهْدِ لَهُمْ كَمْ أَهْلَكْنَا قَبْلَهُم مِّنَ ٱلْقُرُونِ يَمْشُونَ فِى مَسَٰكِنِهِمْ ۗ إِنَّ فِى ذَٰلِكَ لَءَايَٰتٍۢ لِّأُو۟لِى ٱلنُّهَىٰ
Is it not a guidance for them (to know) how many a generation We destroyed before them, amid whose dwellings they walk? Lo! therein verily are signs for men of thought.
Surah Taa-Haa(20:128)