Well, the Hijri date 13 Rajab 1375 corresponds to the Gregorian date Friday, 24 February 1956. This date lies in the seventh month of the Hijri year 1375 AH, which is Rajab of 1375 AH. Both this Hijri and Gregorian date occur on the single day that is Friday without any doubt. The Arabic date 1375/07/13 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 24 February 1956 to its equivalent Arabic date.
The following is the conversion of the Arabic date 13 Rajab 1375 AH to its equivalent Gregorian date.
وَلَوْ يُؤَاخِذُ ٱللَّهُ ٱلنَّاسَ بِمَا كَسَبُوا۟ مَا تَرَكَ عَلَىٰ ظَهْرِهَا مِن دَآبَّةٍۢ وَلَٰكِن يُؤَخِّرُهُمْ إِلَىٰٓ أَجَلٍۢ مُّسَمًّۭى ۖ فَإِذَا جَآءَ أَجَلُهُمْ فَإِنَّ ٱللَّهَ كَانَ بِعِبَادِهِۦ بَصِيرًۢا
If Allah took mankind to task by that which they deserve, He would not leave a living creature on the surface of the earth; but He reprieveth them unto an appointed term, and when their term cometh - then verily (they will know that) Allah is ever Seer of His slaves.
Surah Faatir(35:45)