Well, the Hijri date 21 Dhul Hijjah 1357 corresponds to the Gregorian date Friday, 10 February 1939. This date lies in the twelfth month of the Hijri year 1357 AH, which is Dhu Al-Hijjah of 1357 AH. Both this Hijri and Gregorian date occur on the single day that is Friday without any doubt. The Arabic date 1357/12/21 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 February 1939 to its equivalent Arabic date.
The following is the conversion of the Arabic date 21 Dhul Hijjah 1357 AH to its equivalent Gregorian date.
ٱتَّخَذُوٓا۟ أَحْبَارَهُمْ وَرُهْبَٰنَهُمْ أَرْبَابًۭا مِّن دُونِ ٱللَّهِ وَٱلْمَسِيحَ ٱبْنَ مَرْيَمَ وَمَآ أُمِرُوٓا۟ إِلَّا لِيَعْبُدُوٓا۟ إِلَٰهًۭا وَٰحِدًۭا ۖ لَّآ إِلَٰهَ إِلَّا هُوَ ۚ سُبْحَٰنَهُۥ عَمَّا يُشْرِكُونَ
They have taken as lords beside Allah their rabbis and their monks and the Messiah son of Mary, when they were bidden to worship only One Allah. There is no Allah save Him. Be He Glorified from all that they ascribe as partner (unto Him)!
Surah At-Tawba(9:31)