Well, the Hijri date 16 Rajab 1331 corresponds to the Gregorian date Friday, 20 June 1913. This date lies in the seventh month of the Hijri year 1331 AH, which is Rajab of 1331 AH. Both this Hijri and Gregorian date occur on the single day that is Friday without any doubt. The Arabic date 1331/07/16 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 20 June 1913 to its equivalent Arabic date.
The following is the conversion of the Arabic date 16 Rajab 1331 AH to its equivalent Gregorian date.
كَىْ نُسَبِّحَكَ كَثِيرًۭا
That we may glorify Thee much
Surah Taa-Haa(20:33)