Well, the Hijri date 21 Shaban 1304 corresponds to the Gregorian date Saturday, 14 May 1887. This date lies in the eighth month of the Hijri year 1304 AH, which is Shaban of 1304 AH. Both this Hijri and Gregorian date occur on the single day that is Saturday without any doubt. The Arabic date 1304/08/21 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 14 May 1887 to its equivalent Arabic date.
The following is the conversion of the Arabic date 21 Shaban 1304 AH to its equivalent Gregorian date.
وَمَآ أَهْلَكْنَا مِن قَرْيَةٍ إِلَّا لَهَا مُنذِرُونَ
And We destroyed no township but it had its warners
Surah Ash-Shu'araa(26:208)
