Well, the Hijri date 22 Muharram 1387 corresponds to the Gregorian date Monday, 1 May 1967. This date lies in the first month of the Hijri year 1387 AH, which is Muharram of 1387 AH. Both this Hijri and Gregorian date occur on the single day that is Monday without any doubt. The Arabic date 1387/01/22 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 1 May 1967 to its equivalent Arabic date.
The following is the conversion of the Arabic date 22 Muharram 1387 AH to its equivalent Gregorian date.
وَوَقَعَ ٱلْقَوْلُ عَلَيْهِم بِمَا ظَلَمُوا۟ فَهُمْ لَا يَنطِقُونَ
And the Word will be fulfilled concerning them because they have done wrong, and they will not speak.
Surah An-Naml(27:85)