Well, the Hijri date 16 Shawwal 1274 corresponds to the Gregorian date Saturday, 29 May 1858. This date lies in the tenth month of the Hijri year 1274 AH, which is Shawwal of 1274 AH. Both this Hijri and Gregorian date occur on the single day that is Saturday without any doubt. The Arabic date 1274/10/16 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 29 May 1858 to its equivalent Arabic date.
The following is the conversion of the Arabic date 16 Shawwal 1274 AH to its equivalent Gregorian date.
إِنَّهُۥ ظَنَّ أَن لَّن يَحُورَ
He verily deemed that he would never return (unto Allah).
Surah Al-Inshiqaaq(84:14)