Well, the Hijri date 13 Muharram 1388 corresponds to the Gregorian date Wednesday, 10 April 1968. This date lies in the first month of the Hijri year 1388 AH, which is Muharram of 1388 AH. Both this Hijri and Gregorian date occur on the single day that is Wednesday without any doubt. The Arabic date 1388/01/13 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 April 1968 to its equivalent Arabic date.
The following is the conversion of the Arabic date 13 Muharram 1388 AH to its equivalent Gregorian date.
فَلَنَأْتِيَنَّكَ بِسِحْرٍۢ مِّثْلِهِۦ فَٱجْعَلْ بَيْنَنَا وَبَيْنَكَ مَوْعِدًۭا لَّا نُخْلِفُهُۥ نَحْنُ وَلَآ أَنتَ مَكَانًۭا سُوًۭى
But we surely can produce for thee magic the like thereof; so appoint a tryst between us and you, which neither we nor thou shall fail to keep, at a place convenient (to us both).
Surah Taa-Haa(20:58)