Well, the Hijri date 16 Shawwal 1511 corresponds to the Gregorian date Friday, 7 May 2088. This date lies in the tenth month of the Hijri year 1511 AH, which is Shawwal of 1511 AH. Both this Hijri and Gregorian date occur on the single day that is Friday without any doubt. The Arabic date 1511/10/16 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 2088 to its equivalent Arabic date.
The following is the conversion of the Arabic date 16 Shawwal 1511 AH to its equivalent Gregorian date.
يَغْفِرْ لَكُم مِّن ذُنُوبِكُمْ وَيُؤَخِّرْكُمْ إِلَىٰٓ أَجَلٍۢ مُّسَمًّى ۚ إِنَّ أَجَلَ ٱللَّهِ إِذَا جَآءَ لَا يُؤَخَّرُ ۖ لَوْ كُنتُمْ تَعْلَمُونَ
That He may forgive you somewhat of your sins and respite you to an appointed term. Lo! the term of Allah, when it cometh, cannot be delayed, if ye but knew.
Surah Nooh(71:4)