Well, the Hijri date 21 Shaban 1451 corresponds to the Gregorian date Thursday, 27 December 2029. This date lies in the eighth month of the Hijri year 1451 AH, which is Shaban of 1451 AH. Both this Hijri and Gregorian date occur on the single day that is Thursday without any doubt. The Arabic date 1451/08/21 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 27 December 2029 to its equivalent Arabic date.
The following is the conversion of the Arabic date 21 Shaban 1451 AH to its equivalent Gregorian date.
لَن يَضُرُّوكُمْ إِلَّآ أَذًۭى ۖ وَإِن يُقَٰتِلُوكُمْ يُوَلُّوكُمُ ٱلْأَدْبَارَ ثُمَّ لَا يُنصَرُونَ
They will not harm you save a trifling hurt, and if they fight against you they will turn and flee. And afterward they will not be helped.
Surah Aal-i-Imraan(3:111)