Well, the Hijri date 14 Muharram 1383 corresponds to the Gregorian date Thursday, 6 June 1963. This date lies in the first month of the Hijri year 1383 AH, which is Muharram of 1383 AH. Both this Hijri and Gregorian date occur on the single day that is Thursday without any doubt. The Arabic date 1383/01/14 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 6 June 1963 to its equivalent Arabic date.
The following is the conversion of the Arabic date 14 Muharram 1383 AH to its equivalent Gregorian date.
فَلَمَّا رَأَوْهَا قَالُوٓا۟ إِنَّا لَضَآلُّونَ
But when they saw it, they said: Lo! we are in error!
Surah Al-Qalam(68:26)