Well, the Hijri date 26 Shawwal 1190 corresponds to the Gregorian date Saturday, 7 December 1776. This date lies in the tenth month of the Hijri year 1190 AH, which is Shawwal of 1190 AH. Both this Hijri and Gregorian date occur on the single day that is Saturday without any doubt. The Arabic date 1190/10/26 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 7 December 1776 to its equivalent Arabic date.
The following is the conversion of the Arabic date 26 Shawwal 1190 AH to its equivalent Gregorian date.
وَيُدْخِلُهُمُ ٱلْجَنَّةَ عَرَّفَهَا لَهُمْ
And bring them in unto the Garden which He hath made known to them.
Surah Muhammad(47:6)