Well, the Hijri date 21 Rajab 1317 corresponds to the Gregorian date Friday, 24 November 1899. This date lies in the seventh month of the Hijri year 1317 AH, which is Rajab of 1317 AH. Both this Hijri and Gregorian date occur on the single day that is Friday without any doubt. The Arabic date 1317/07/21 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 November 1899 to its equivalent Arabic date.
The following is the conversion of the Arabic date 21 Rajab 1317 AH to its equivalent Gregorian date.
وَءَاتَيْنَا مُوسَى ٱلْكِتَٰبَ وَجَعَلْنَٰهُ هُدًۭى لِّبَنِىٓ إِسْرَٰٓءِيلَ أَلَّا تَتَّخِذُوا۟ مِن دُونِى وَكِيلًۭا
We gave unto Moses the Scripture, and We appointed it a guidance for the children of Israel, saying: Choose no guardian beside Me.
Surah Al-Israa(17:2)