Well, the Hijri date 15 Rajab 1311 corresponds to the Gregorian date Sunday, 21 January 1894. This date lies in the seventh month of the Hijri year 1311 AH, which is Rajab of 1311 AH. Both this Hijri and Gregorian date occur on the single day that is Sunday without any doubt. The Arabic date 1311/07/15 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 21 January 1894 to its equivalent Arabic date.
The following is the conversion of the Arabic date 15 Rajab 1311 AH to its equivalent Gregorian date.
إِنَّ ٱلَّذِينَ لَا يُؤْمِنُونَ بِـَٔايَٰتِ ٱللَّهِ لَا يَهْدِيهِمُ ٱللَّهُ وَلَهُمْ عَذَابٌ أَلِيمٌ
Lo! those who disbelieve the revelations of Allah, Allah guideth them not and theirs will be a painful doom.
Surah An-Nahl(16:104)