Well, the Hijri date 15 Rajab 1513 corresponds to the Gregorian date Sunday, 15 January 2090. This date lies in the seventh month of the Hijri year 1513 AH, which is Rajab of 1513 AH. Both this Hijri and Gregorian date occur on the single day that is Sunday without any doubt. The Arabic date 1513/07/15 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 15 January 2090 to its equivalent Arabic date.
The following is the conversion of the Arabic date 15 Rajab 1513 AH to its equivalent Gregorian date.
يَوْمَ تَرَوْنَهَا تَذْهَلُ كُلُّ مُرْضِعَةٍ عَمَّآ أَرْضَعَتْ وَتَضَعُ كُلُّ ذَاتِ حَمْلٍ حَمْلَهَا وَتَرَى ٱلنَّاسَ سُكَٰرَىٰ وَمَا هُم بِسُكَٰرَىٰ وَلَٰكِنَّ عَذَابَ ٱللَّهِ شَدِيدٌۭ
On the day when ye behold it, every nursing mother will forget her nursling and every pregnant one will be delivered of her burden, and thou (Muhammad) wilt see mankind as drunken, yet they will not be drunken, but the Doom of Allah will be strong (upon them).
Surah Al-Hajj(22:2)