Well, the Hijri date 13 Rajab 1304 corresponds to the Gregorian date Wednesday, 6 April 1887. This date lies in the seventh month of the Hijri year 1304 AH, which is Rajab of 1304 AH. Both this Hijri and Gregorian date occur on the single day that is Wednesday without any doubt. The Arabic date 1304/07/13 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 6 April 1887 to its equivalent Arabic date.
The following is the conversion of the Arabic date 13 Rajab 1304 AH to its equivalent Gregorian date.
وَلَوْلَا فَضْلُ ٱللَّهِ عَلَيْكُمْ وَرَحْمَتُهُۥ فِى ٱلدُّنْيَا وَٱلْءَاخِرَةِ لَمَسَّكُمْ فِى مَآ أَفَضْتُمْ فِيهِ عَذَابٌ عَظِيمٌ
Had it not been for the grace of Allah and His mercy unto you in the world and the Hereafter an awful doom had overtaken you for that whereof ye murmured.
Surah An-Noor(24:14)