Well, the Hijri date 20 Muharram 1137 corresponds to the Gregorian date Sunday, 8 October 1724. This date lies in the first month of the Hijri year 1137 AH, which is Muharram of 1137 AH. Both this Hijri and Gregorian date occur on the single day that is Sunday without any doubt. The Arabic date 1137/01/20 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 8 October 1724 to its equivalent Arabic date.
The following is the conversion of the Arabic date 20 Muharram 1137 AH to its equivalent Gregorian date.
وَقَالَ لِفِتْيَٰنِهِ ٱجْعَلُوا۟ بِضَٰعَتَهُمْ فِى رِحَالِهِمْ لَعَلَّهُمْ يَعْرِفُونَهَآ إِذَا ٱنقَلَبُوٓا۟ إِلَىٰٓ أَهْلِهِمْ لَعَلَّهُمْ يَرْجِعُونَ
He said unto his young men: Place their merchandise in their saddlebags, so that they may know it when they go back to their folk, and so will come again.
Surah Yusuf(12:62)