Well, the Hijri date 25 Dhul Hijjah 1340 corresponds to the Gregorian date Friday, 18 August 1922. This date lies in the twelfth month of the Hijri year 1340 AH, which is Dhu Al-Hijjah of 1340 AH. Both this Hijri and Gregorian date occur on the single day that is Friday without any doubt. The Arabic date 1340/12/25 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 18 August 1922 to its equivalent Arabic date.
The following is the conversion of the Arabic date 25 Dhul Hijjah 1340 AH to its equivalent Gregorian date.
فَذَٰلِكَ يَوْمَئِذٍۢ يَوْمٌ عَسِيرٌ
Surely that day will be a day of anguish,
Surah Al-Muddaththir(74:9)