Well, the Hijri date 20 Shaban 1331 corresponds to the Gregorian date Thursday, 24 July 1913. This date lies in the eighth month of the Hijri year 1331 AH, which is Shaban of 1331 AH. Both this Hijri and Gregorian date occur on the single day that is Thursday without any doubt. The Arabic date 1331/08/20 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 July 1913 to its equivalent Arabic date.
The following is the conversion of the Arabic date 20 Shaban 1331 AH to its equivalent Gregorian date.
وَلَئِنْ أَرْسَلْنَا رِيحًۭا فَرَأَوْهُ مُصْفَرًّۭا لَّظَلُّوا۟ مِنۢ بَعْدِهِۦ يَكْفُرُونَ
And if We sent a wind and they beheld it yellow, they verily would still continue in their disbelief.
Surah Ar-Room(30:51)