Well, the Hijri date 22 Rajab 1138 corresponds to the Gregorian date Monday, 25 March 1726. This date lies in the seventh month of the Hijri year 1138 AH, which is Rajab of 1138 AH. Both this Hijri and Gregorian date occur on the single day that is Monday without any doubt. The Arabic date 1138/07/22 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 25 March 1726 to its equivalent Arabic date.
The following is the conversion of the Arabic date 22 Rajab 1138 AH to its equivalent Gregorian date.
وَلَمَّا وَقَعَ عَلَيْهِمُ ٱلرِّجْزُ قَالُوا۟ يَٰمُوسَى ٱدْعُ لَنَا رَبَّكَ بِمَا عَهِدَ عِندَكَ ۖ لَئِن كَشَفْتَ عَنَّا ٱلرِّجْزَ لَنُؤْمِنَنَّ لَكَ وَلَنُرْسِلَنَّ مَعَكَ بَنِىٓ إِسْرَٰٓءِيلَ
And when the terror fell on them they cried: O Moses! Pray for us unto thy Lord, because He hath a covenant with thee. If thou removest the terror from us we verily will trust thee and will let the Children of Israel go with thee.
Surah Al-A'raaf(7:134)