Well, the Hijri date 1 Shawwal 1340 corresponds to the Gregorian date Saturday, 27 May 1922. This date lies in the tenth month of the Hijri year 1340 AH, which is Shawwal of 1340 AH. Both this Hijri and Gregorian date occur on the single day that is Saturday without any doubt. The Arabic date 1340/10/01 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 May 1922 to its equivalent Arabic date.
The following is the conversion of the Arabic date 1 Shawwal 1340 AH to its equivalent Gregorian date.
وَلَقَدْ أَرْسَلْنَآ إِلَىٰٓ أُمَمٍۢ مِّن قَبْلِكَ فَأَخَذْنَٰهُم بِٱلْبَأْسَآءِ وَٱلضَّرَّآءِ لَعَلَّهُمْ يَتَضَرَّعُونَ
We have sent already unto peoples that were before thee, and We visited them with tribulation and adversity, in order that they might grow humble.
Surah Al-An'aam(6:42)