Well, the Hijri date 21 Shaban 1260 corresponds to the Gregorian date Wednesday, 4 September 1844. This date lies in the eighth month of the Hijri year 1260 AH, which is Shaban of 1260 AH. Both this Hijri and Gregorian date occur on the single day that is Wednesday without any doubt. The Arabic date 1260/08/21 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 4 September 1844 to its equivalent Arabic date.
The following is the conversion of the Arabic date 21 Shaban 1260 AH to its equivalent Gregorian date.
أَنِ ٱعْمَلْ سَٰبِغَٰتٍۢ وَقَدِّرْ فِى ٱلسَّرْدِ ۖ وَٱعْمَلُوا۟ صَٰلِحًا ۖ إِنِّى بِمَا تَعْمَلُونَ بَصِيرٌۭ
Saying: Make thou long coats of mail and measure the links (thereof). And do ye right. Lo! I am Seer of what ye do.
Surah Saba(34:11)