Well, the Hijri date 15 Rabi Al Thani 1616 corresponds to the Gregorian date Friday, 25 September 2189. This date lies in the fourth month of the Hijri year 1616 AH, which is Rabi Al-Thani of 1616 AH. Both this Hijri and Gregorian date occur on the single day that is Friday without any doubt. The Arabic date 1616/04/15 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 25 September 2189 to its equivalent Arabic date.
The following is the conversion of the Arabic date 15 Rabi Al Thani 1616 AH to its equivalent Gregorian date.
مَّا عَلَى ٱلرَّسُولِ إِلَّا ٱلْبَلَٰغُ ۗ وَٱللَّهُ يَعْلَمُ مَا تُبْدُونَ وَمَا تَكْتُمُونَ
The duty of the messenger is only to convey (the message). Allah knoweth what ye proclaim and what ye hide.
Surah Al-Maaida(5:99)