Well, the Hijri date 25 Rabi Al Thani 1409 corresponds to the Gregorian date Sunday, 4 December 1988. This date lies in the fourth month of the Hijri year 1409 AH, which is Rabi Al-Thani of 1409 AH. Both this Hijri and Gregorian date occur on the single day that is Sunday without any doubt. The Arabic date 1409/04/25 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 4 December 1988 to its equivalent Arabic date.
The following is the conversion of the Arabic date 25 Rabi Al Thani 1409 AH to its equivalent Gregorian date.
وَلِلَّذِينَ كَفَرُوا۟ بِرَبِّهِمْ عَذَابُ جَهَنَّمَ ۖ وَبِئْسَ ٱلْمَصِيرُ
And for those who disbelieve in their Lord there is the doom of hell, a hapless journey's end!
Surah Al-Mulk(67:6)