Well, the Hijri date 17 Dhul Hijjah 1340 corresponds to the Gregorian date Thursday, 10 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 Thursday without any doubt. The Arabic date 1340/12/17 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 10 August 1922 to its equivalent Arabic date.
The following is the conversion of the Arabic date 17 Dhul Hijjah 1340 AH to its equivalent Gregorian date.
قَالُوٓا۟ أَتَعْجَبِينَ مِنْ أَمْرِ ٱللَّهِ ۖ رَحْمَتُ ٱللَّهِ وَبَرَكَٰتُهُۥ عَلَيْكُمْ أَهْلَ ٱلْبَيْتِ ۚ إِنَّهُۥ حَمِيدٌۭ مَّجِيدٌۭ
They said: Wonderest thou at the commandment of Allah? The mercy of Allah and His blessings be upon you, O people of the house! Lo! He is Owner of Praise, Owner of Glory!
Surah Hud(11:73)